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Anker 2.4G Wireless Vertical Ergonomic Optical Mouse vs ProtoArc EM11 NL

A

Product A: Anker

2.4G Wireless Vertical Ergonomic Optical Mouse

52 of 154 known

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B

Product B: ProtoArc

EM11 NL

59 of 154 known

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Every value links to where we found it.

Only differences

AAnker 2.4G Wireless Vertical Ergonomic Optical Mouse

BProtoArc EM11 NL

General

4 of 9 differ

Series

Not available

EM Series6Maker product pageprotoarc.com/collections/em-seriesRead 15 October 2026The EM Series collection page lists the EM11 NL.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

A7852, A7852011, AK-98ANWVM-UBA1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026Model: A7852.3Maker product pageca.store.anker.com/products/a7852Read 20 October 2026Anker store SKU A7852011, Black. The bottom label in the store gallery reads 98ANWVM-UBA, power 3 V 5 mA, model TM137G, product name Anker Wireless Vertical Mouse.6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Item details: Model Number AK-98ANWVM-UBA, Mfr Part Number AK-98ANWVM-UBA, ASIN B00BIFNTMC.

CP014943, CP015642, CP015639, CP017425, CP015641, CP015640, CP015951, CP016808, CP016806, CP016807, CP0174262Maker product pageprotoarc.com/products/em11-nl-vertical-mouse.jsonRead 15 October 2026The maker's store feed lists these SKUs by colour. ProtoArc calls them SKUs. Black CP014943, White CP015642, Blue CP015639, Black Pink CP017425, Gray CP015641, Green CP015640, Red CP015951, Pink CP016808, Gold CP016806, White Gold CP016807, Purple CP017426.

GTIN / EAN

848061006001, 848061077438, 8480610794563Maker product pageca.store.anker.com/products/a7852Read 20 October 2026Store variant barcode 848061006001 for SKU A7852011. Amazon lists two other UPCs, see the Amazon source.6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Item details: UPC 848061077438 and 848061079456, GTIN 08536692579774. The two UPCs are stored. The GTIN-14 case code is not.

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

Not available

Not available

Status

Available3Maker product pageca.store.anker.com/products/a7852Read 20 October 2026The Canadian Anker store shows the Black variant as sold out. The page is still published.6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026The Amazon US listing is live with 53,533 ratings at 4.2 stars and a Computer Mice best-seller rank of 26 on 2026-10-20. The Anker Canada store shows it sold out.

Available1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Page shows the mouse in stock at 26.99 USD.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

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SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

$26.993Maker product pageweb.archive.org/web/20240524135212/https://www.protoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Archived copy of the maker's page from 2024-05-24 shows 26.99 USD with no compare-at price. US price excludes tax.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Amazon US listing for the Anker Store title. It shows the page with a price and ratings. A delivery restriction appeared for the reading location.

Not available

ColoursiThe maker's own colour names

Black3Maker product pageca.store.anker.com/products/a7852Read 20 October 2026One variant, Black.

Black, White, Blue, Black Pink, Gray, Green, Red, Pink, Gold, White Gold, Purple1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Colour selector lists Black, White, Blue, Black Pink, Gray, Green, Red, Pink, Gold, White Gold and Purple.

Segment

Ergonomic1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026Maker title and copy: Vertical Ergonomic Optical Mouse. The design encourages healthy neutral handshake wrist and arm positions. Stored as ergonomic.

Ergonomic1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Page title and copy position it as an ergonomic vertical mouse for natural wrist posture.

Mouse type

Vertical1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026Vertical ergonomic mouse with a handshake grip.

Vertical1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026

Shape

2 of 14 differ

Body shapeiDescribes shell symmetry, not the intended hand. Symmetrical with side buttons on one side differs from an asymmetric right-handed body. Ambidextrous means a symmetrical body with side buttons on both sides.

Asymmetric, right-handed6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Amazon title says Right Hand Vertical Mouse and the item details list Hand Orientation Right. The maker pages do not say it in words, and the bottom and side photos show a right-handed body.

Asymmetric, right-handed7Spec databasepreisvergleich.heise.de/protoarc-em11-nl-a3825649.htmlRead 15 October 2026Heise spec list: Eignung rechte Hand (vertikal).

Maker size classiThe maker’s marketed size label. Do not infer a size class from dimensions or reviewer hand-fit recommendations.

Not available

Not available

Recommended gripsiGrip styles explicitly recommended by the maker. A reviewer finding a grip usable does not add a maker recommendation.

Not available

Not available

Recommended hand sizeiMaker recommendation, measured from wrist to middle fingertip for hand length. Source notes specify whether limits are inclusive or exclusive.

Hand length (min)170Hand width (min)80mm(6.7 × 3.1 in)6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Palm Size Fit Guide image (for reference only): S under 17 cm length and under 8 cm width, M 17 to 19 cm and 8 to 10 cm, L over 19 cm and over 10 cm. Size Recommendation: M to L. So the lowest recommended size is M. The L band has no upper limit, so only the minimums are stored. Lower limits of M are inclusive. The guide labels the length Palm Length (A).

Hand length (max)195mm1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Image on the page says recommended for small to medium hand, hand < 7.5 in / 195 mm. The size chart marks under 6.9 in small, 6.9 to 7.5 in medium and over 7.5 in large. Stored as an exclusive upper limit. No lower limit is published.

Hump positioniPosition of the shell’s highest point along its length, from a maker drawing or exact-model review.

Not available

Not available

Thumb rest

Yes5Maker product pageservice.anker.com/article-description/Why-does-my-mouse-s-LED-light-blink-redRead 20 October 2026Support article: the light near the thumb rest flashes red when you press the DPI button or power it on. The maker names a thumb rest on the body.

Yes7Spec databasepreisvergleich.heise.de/protoarc-em11-nl-a3825649.htmlRead 15 October 2026Heise spec list: Besonderheiten Daumenauflage.

Ring or pinky finger rest

Not available

Not available

Upper shelliThe primary hand-contact shell. An open or perforated bottom alone does not make the upper shell perforated.

Not available

Not available

Swappable parts

Not available

Not available

Adjustable weight

Not available

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Maximum added weightiTotal removable weight supplied with the mouse, excluding the mouse’s normal weight.

Not available

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Vertical angle

Not available

58°1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Page image says 58 degrees Ergonomic Comfort Angle.

Trackball diameter

Not available

Not available

Trackball position

Not available

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Dimensions and weight

2 of 5 differ

Mouse body dimensionsiLength from front to rear, width at the widest body point, and maximum height. Cable and receiver are excluded. Approximate maker figures are qualified in source notes. Logitech pages often label the front-to-rear length Height and the body height Depth, so map the figures by size.

Length120Maximum width62.8Maximum height74.8mm(4.7 × 2.5 × 2.9 in)2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Specifications, Size: 120 x 62.8 x 74.8 mm (4.7 x 2.5 x 2.9 in). Anker's Amazon image labels the order length x width x height (4.72 x 2.47 x 2.94 in). A vertical mouse is taller than it is wide, so length 120, width 62.8 and height 74.8 are stored.3Maker product pageca.store.anker.com/products/a7852Read 20 October 2026Product dimensions: 120*62.8*74.8 mm. Same figures as the manual.

Length138Maximum width69.2Maximum height68.1mm(5.4 × 2.7 × 2.7 in)1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Specs tab lists Height 68.1 mm, Width 69.2 mm and Depth 138 mm. The manual lists 138 x 69.2 x 68.1 mm. Stored as length 138, width 69.2 and height 68.1. Page image shows 5.43 in long, 2.72 in wide and 2.67 in high.

Grip widthiBody width where the thumb and opposite grip finger sit. This differs from maximum body width.

Not available

Not available

Mouse weight (claimed)iWireless mice include the battery. When the maker does not say whether a removable battery is in the weight, the published weight is stored and the source note says so. Wired mice exclude the cable. Source notes identify installed skates, colour, approximation, tolerance or a published bound.

90g(3.2 oz)2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Specifications: Weight 90 g / 3.2 oz. The manual outranks the Singapore store page and the Anker support intro, which both say 3.4 oz, and the Singapore page adds 96.38 g. The guide does not say whether it includes the AAA cells, which are not supplied.

112g(4 oz)1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Specs tab lists 3.9 oz (112 g). The English manual lists the same value. Includes the built-in battery. Colour not stated. The German manual revised in 2026 lists 4.2 oz (119 g) for the same mouse and a German test article lists 116 g. The US page and English manual value is stored.

Box dimensions

Not available

Not available

Packed weightiMouse, packaging and included accessories. Shipping-service weight is not evidence of packed weight.

Not available

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Sensor

3 of 20 differ

Marketed sensor nameiMaker’s sensor branding, or reviewer identification when the maker does not publish one. The physical part number is recorded separately.

Not available

Not available

Published sensor brandiSensor brand or trademark named by the source, which may be the mouse maker’s proprietary branding. Physical silicon manufacturer and part number are separate facts.

Not available

Not available

Physical sensor part numberiExact physical sensor family or part identified by the maker or an exact-model reviewer. Do not infer it from DPI, speed or a sibling mouse.

Not available

Not available

Sensor type

Optical1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026800 / 1200 / 1600 DPI Resolution Optical Tracking Technology. The maker names no sensor chip or brand.

Optical1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Specs tab lists Engine: Optical.

Maximum configurable DPIiMaximum selectable DPI with the documented firmware. Later firmware increases are noted in sources. The sensor chip’s theoretical maximum is not the mouse’s maximum.

1,600DPI1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026DPI: 800 / 1200 (default) / 1600 DPI. Three levels, switched with the DPI button.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Specifications: DPI 800 / 1200 (default) / 1600.

2,400DPI1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Specs tab lists DPI 1000/1600/2400. These three levels are the only documented settings, so 2400 is the highest and 1000 the lowest.

Minimum configurable DPIiLowest selectable sensitivity on this mouse. Factory presets do not establish its minimum.

800DPI1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026DPI: 800 / 1200 (default) / 1600 DPI.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Specifications: DPI 800 / 1200 (default) / 1600.

1,000DPI1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Specs tab lists DPI 1000/1600/2400. These three levels are the only documented settings.

DPI adjustment stepiSmallest documented configuration increment, not the spacing between factory presets.

Not available

Not available

Maximum DPI stagesiMaximum number of selectable sensitivity presets saved at once, not the number of distinct supported DPI values.

31Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026Three fixed levels (800, 1200, 1600). The maker lists no user-defined stages.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026The DPI switch cycles through three levels: 800, 1200 and 1600 DPI.

31Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026The DPI button steps through three levels (1000, 1600, 2400). The FAQ confirms the cycle. The maker lists no driver or configuration software for the EM11 NL, so no other levels exist.

Default DPI presetsiFactory preset sensitivity values for the exact model and firmware. Source notes distinguish different factory profiles.

800, 1,200, 1,600DPI1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026The three levels are 800, 1200 (default) and 1600 DPI. They are the only values the maker lists.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Specifications: DPI 800 / 1200 (default) / 1600. Presses of the DPI switch cycle through 800, 1200 and 1600 DPI.

1,000, 1,600, 2,400DPI1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Page image shows 1000 DPI, 1600 DPI and 2400 DPI as the three levels of the DPI button.

Separate X and Y DPI

Not available

Not available

Tracking speed (claimed)iMaker or published product specification, in inches per second. If the source says more than a value, that numeric threshold is stored and qualified in the source note. Do not read it as an exact ceiling.

Not available

Not available

Tracking acceleration (claimed)iMaximum tracking acceleration in multiples of gravitational acceleration, not mouse weight. A source saying more than a value is retained as a qualified threshold in the source note.

Not available

Not available

Lift-off distance settingsiOnly documented selectable lift-off values, or one documented fixed value. A minimum, approximate measured result or unquantified range does not establish a complete option list.

Not available

Not available

Separate lift and landing distance

Not available

Not available

Surface calibrationiSensor calibration for a tracking surface. Adjustable lift-off distance or copying sensitivity from another mouse alone does not establish this feature.

Not available

Not available

Motion SynciWhether sensor motion synchronization is supported. Polling-rate restrictions and default state belong in source notes.

Not available

Not available

Angle snapping

Not available

Not available

Ripple control

Not available

Not available

Tracks on glass

Not available

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Sensor position

Not available

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Performance

4 of 8 differ

Documented polling rates by connectioniOne row per documented usable rate and connection. Receiver and firmware requirements are noted. Maximum-only claims do not imply all intermediate settings or the same ceiling over USB.

AAnker 2.4G Wireless Vertical Ergonomic Optical Mouse

Not available

BProtoArc EM11 NL

Data connection	Polling rate (Hz)	Receiver requirement
2.4 GHz	250	included USB receiver
Bluetooth	125	Not available

Source4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Specifications panel lists Frequency 250 Hz under 2.4G Wireless Transmission Parameters and Frequency 125 Hz under Bluetooth Transmission Parameters. Read as the report rate. A German test measured about 250 Hz on the receiver and about 100 Hz on Bluetooth.

Max polling rate

Not available

250Hz=CalculatedFrom Documented polling rates by connection

Polling rate (wired)

Not available

Not available

Polling rate (2.4 GHz)

Not available

250Hz=CalculatedFrom Documented polling rates by connection

Polling rate (Bluetooth)

Not available

125Hz=CalculatedFrom Documented polling rates by connection

Claimed click latencyiAbsolute click-latency claim from the maker. A relative improvement is not absolute latency. Source notes give polling mode and whether the number is an average, bound or best case.

Not available

Not available

Adjustable debounce

Not available

Not available

Minimum debounceiLowest documented debounce setting or fixed main-switch debounce delay. Click response time or total click latency is not the same quantity.

Not available

Not available

Measured

None of 7 known

Latency per connection (measured)iReviewer measurements for an identified connection, polling rate, firmware and settings. Click and sensor latency use different test methods and are not interchangeable.

Not available

Not available

DPI deviation (measured)iReviewer measurement of deviation from a specified DPI value. Test DPI, travel speed, distance and method belong in source notes.

Not available

Not available

Lift-off distance (measured)iReviewer-measured lift-off height at the lowest setting, on the specified surface. Do not store the maker’s selectable LOD here.

Not available

Not available

Main click force (measured)iReviewer-measured main-button actuation force in gram-force. Not the mouse weight and not an electrical latency measure.

Not available

Not available

Weight (measured)iReviewer scale measurement. Include battery for wireless mice and exclude cable for wired mice. Source notes identify colour and installed skates.

Not available

Not available

Battery life (measured)iReviewer-measured runtime from a stated test, not a claim, forecast or extrapolation. Polling, lighting and other power settings must be identified.

Not available

Not available

Hand size fitiExact-model reviewer fit assessment. Source notes define the hand-length bands and tested grip. Do not translate general praise into every size fitting.

Not available

Not available

Switches

1 of 11 differ

Main switch typeiActuation technology for the left and right main buttons. Hybrid means optical-mechanical. Inductive analog switches detect travel by induction.

Not available

Not available

Published main-switch brandiBrand named for the main switches. Proprietary Razer, Pulsar, Glorious or Logitech branding does not identify the physical contract manufacturer.

Not available

Not available

Main switch model

Not available

Not available

Main switch rated lifeiManufacturer or component rating for the main left/right switches, in millions of actuations. This is not a whole-mouse durability measurement.

Not available

3million1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Specs tab lists Click Life: 3 million+. Stored as the 3 million threshold.

Hot-swap main switchesiMain switches can be changed without soldering. Opening the case or using a switch pack can still be required.

Not available

Not available

Adjustable click actuationiThe point where a main click registers can be configured. Debounce adjustment changes timing, not actuation travel.

Not available

Not available

Separate main buttons

Not available

Not available

Side switch model

Not available

Not available

Middle click switch

Not available

Not available

Scroll encoder type

Not available

Not available

Scroll encoder

Not available

Not available

Buttons and scroll wheel

6 of 13 differ

Physical button inputsiIncludes left/right, wheel click, each wheel-tilt direction, DPI/report-rate/profile buttons and a wheel-mode pushbutton. Excludes scroll rotation, power sliders and connection sliders. A connection pushbutton, such as Logitech Easy-Switch, counts even when the maker's own count leaves it out. A button that only switches power does not. Counts each physical input once.

62Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026The At a Glance list names Left Button, Right Button, Scroll Wheel, DPI Switch, Next Page Button and Previous Page Button. The pairing step says to hold the scroll wheel and the right button, so the wheel presses. That makes 6 physical inputs by the field rule. The maker and retailers publish 5 buttons. Anker's Amazon button layout figure lists right click, left click, DPI, previous and forward and leaves out the wheel. The power slider is excluded.6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Title says 5 Buttons. The button layout image lists right click, left click, DPI control, power switch, previous and forward buttons. See the manual note for the count rule.

74Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Product Features diagram labels Left, Right, Scroll Wheel, DPI Button, Forward Button, Backward Button and Channel Switch Button. The power switch is not counted. Indicators are not buttons.

Programmable buttonsiNumber of physical button inputs that can be remapped. Excludes scroll-up/down actions, alternate software layers and non-programmable mode controls.

04Maker product pageservice.anker.com/article-description/Anker-Mouse-FAQRead 20 October 2026Anker Mouse FAQ: the mouse buttons cannot be programmed or customized. No remappable inputs, so 0.

05Maker product pageprotoarc.com/pages/faq-em11-nl-em11Read 15 October 2026FAQ: the mouse buttons are not programmable.

Side buttonsiButtons on the thumb-facing side walls, including a side DPI-shift button. Top buttons beside the main click plate and bottom setting buttons are excluded.

22Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026At a Glance items 5 and 6: Next Page Button and Previous Page Button, not for Apple Mac OS. Anker's FAQ calls them thumb buttons.4Maker product pageservice.anker.com/article-description/Anker-Mouse-FAQRead 20 October 2026The FAQ calls the previous and next page buttons thumb buttons.

24Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Forward and Backward buttons (M and N) sit on the thumb side wall.

Side buttons on

Left2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Both page buttons sit on the thumb-side wall in the figure. The mouse is right-handed, so the thumb side is the left wall.

Left4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Forward and Backward buttons sit on the thumb side wall of this right-handed mouse, which is the left wall.

DPI buttoniA physical pushbutton that changes sensitivity. A button shared with power or report rate still counts. Software-only switching does not.

Yes2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026At a Glance item 4: DPI Switch. Press it to switch between 800, 1200 and 1600 DPI.

Yes4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Diagram label E: DPI Button.

DPI button position

Top2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026The at-a-glance figure shows the DPI switch on the top of the thumb-side wall, not on the underside.6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Button layout image: the DPI control button sits on the side wall near the top, with the previous and forward buttons below it.

Top4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Diagram shows the DPI button on the top shell beside the scroll wheel.

Profile buttoniA dedicated physical profile-switch button. A remappable input that could be assigned this action does not prove a dedicated control.

No2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026The At a Glance list has no profile button.

Not available

Dedicated DPI-shift buttoniDedicated physical control for temporarily switching sensitivity while held. A software-remappable input is not automatically a dedicated sniper control.

No2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026The At a Glance list has no dedicated sensitivity-shift button.

Not available

Dedicated gesture buttoniA dedicated physical gesture control. Assigning a gesture action to a remappable button does not establish a separate gesture button.

No2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026The At a Glance list has no gesture button.

Not available

Scroll wheel

Not available

Notched5Maker product pageprotoarc.com/pages/faq-em11-nl-em11Read 15 October 2026FAQ: the scroll wheel operates in a gear-like manner and does not spin freely.8Reviewtechtest.org/vertikal-maus-ideal-fuer-die-bueroarbeit-protoarc-em11-nl-im-testRead 15 October 2026Review dated 2024-12-19 says the individual scroll steps could be better defined, which agrees with a notched wheel.

Scroll mode switchiHow the wheel changes between notched and free-spin modes. None means there is no such mode-switch mechanism.

Not available

Not available

Separate thumb wheeliA separate side wheel operated by the thumb. Tilting the central scroll wheel does not count.

No2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026The At a Glance list has only the central scroll wheel.

Not available

Scroll wheel material

Not available

Not available

Build

3 of 6 differ

Shell material

Plastic, polymer unspecified6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Item details: Enclosure Material Plastic. A generic plastic chassis is stored.

Not available

Surface finishiPublished surface finish, such as matte or textured. Soft-feel wording does not establish rubber material or a chemical coating.

Not available

Not available

Installed feet materialiMaterial of the factory-installed skates, excluding separately supplied replacements or dot skates. Virgin PTFE means additive-free or explicitly virgin-grade PTFE.

Not available

Not available

Installed skate piecesiNumber of separate factory-installed skate pieces, including a sensor ring. Excludes spare skates supplied in the box.

43Maker product pageca.store.anker.com/products/a7852Read 20 October 2026Gallery image 3, the maker's bottom view, shows four oval feet pads: two near the top and two near the bottom of the underside. Material is not stated.

Not available

Feet shapeiGeometry of the installed skates. Pads plus a sensor ring are mixed. Separate dots are dots.

Pads3Maker product pageca.store.anker.com/products/a7852Read 20 October 2026The maker's bottom view shows four separate oval pads and no sensor ring.

Not available

Feet thickness

Not available

Not available

Cable

2 of 5 differ

Cable

Not available

Not available

Cable length

Not available

Not available

Detachable cableiThe cable unplugs from an external socket on the mouse without opening it. A service-replaceable internal cable does not count.

Not available

Not available

Port on mouseiExternally accessible data/charging socket on the mouse. A fixed cable is none. USB-C describes the connector, not a transfer-speed version.

None3Maker product pageca.store.anker.com/products/a7852Read 20 October 2026Gallery image 3 labels the underside: power switch, battery slot (2 AAA) and receiver slot. No charging or data socket.6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026The button layout image says USB charging not supported. The underside has a power switch, battery compartment and receiver slot only.

USB-C4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Diagram label F: Type-C Charging Port.

Cable host plugiConnector on the computer end of the supplied or fixed cable, independent of the mouse-end connector.

Not available

USB-A5Maker product pageprotoarc.com/pages/faq-em11-nl-em11Read 15 October 2026FAQ: the mouse can only be charged with USB A to USB C charging cables.

Connectivity

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ConnectionsiConnections that carry mouse input data. A USB cable used only for charging does not establish wired USB operation.

2.4 GHz1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 20262.4G wireless through a USB receiver. The listing says Connectivity Technology: Wireless and lists no Bluetooth.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Setup uses a nano receiver in the computer's USB port. Pairing uses the receiver only. No Bluetooth or cable mode is described.6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Title and image: Uses 2.4 GHz wireless via a USB receiver, not Bluetooth.

2.4 GHz, Bluetooth1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Specs tab lists USB Receiver and Bluetooth low energy technology. No data cable mode is listed. The Type-C port only charges.

Wireless technology

Not available

Not available

BluetoothiThe version number only, such as 5.1. LE and Low Energy are left out. A source that names only Bluetooth Low Energy gives no version.

Not available

5.01Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Feature list and a page image say Bluetooth 5.0. The older description paragraph on the same page says Bluetooth 4.0. The manual only says Bluetooth Low Energy. Stored 5.0 from the feature list.

Saved Bluetooth pairing slotsiNumber of Bluetooth hosts whose pairing the mouse remembers. A limit of one concurrently connected host does not establish the number of saved slots.

Not available

21Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Page and manual list two Bluetooth channels (Bluetooth 1 and Bluetooth 2) plus the 2.4G receiver for 3 devices.

Switchable host devicesiNumber of host devices selectable through the documented mouse controls without manually moving a data cable. Not the number of physical receivers or simultaneous active links alone.

Not available

31Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Page says triple connectivity for 3-device switching: dual Bluetooth plus the 2.4G USB-A receiver.

Device switching

Not available

Button4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026A channel switch button on the underside cycles 2.4G, Bluetooth 1 and Bluetooth 2.

Receiver host connectoriHost plug on the included small receiver. A larger cabled receiver is described in source notes. This differs from the charging cable’s plug.

USB-A6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Anker Store images: Compatible with Devices Featuring USB-A Ports. The mouse connects through the included USB-A receiver.

USB-A1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Page says 2.4G USB-A receiver.

Receiver storage in mouse

Yes1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026The 2.4G USB receiver is stored in the bottom of the mouse.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Instruction step 3: remove the nano receiver and insert it into the computer's USB port.4Maker product pageservice.anker.com/article-description/Anker-Mouse-FAQRead 20 October 2026The USB receiver is located next to the battery compartment. Remove it from the mouse and plug it into the computer.

Yes4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Setup step 2 says to take out the receiver from the mouse underside.

Receiver extender includediAn included adapter, dock or cabled receiver arrangement moves the receiver closer to the mouse. A charging-only adapter does not count.

No6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Package list has no extender. The receiver sits in the mouse.

No4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Package List is complete: wireless mouse, Type-C charging cable, USB receiver and user manual. No extender.

Receiver pairing sharediA receiver can pair with another supported device, such as a keyboard, at the same time. This does not mean the mouse switches between computers.

Not available

Not available

Wireless rangeiPublished range and test conditions. A recommended receiver distance or minimum reliable range is not an exact maximum.

Not available

8m1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Specs tab lists Wireless operating distance: 8 m (26 ft). The English manual agrees. The German manual revised in 2026 lists 10 m for both Bluetooth and 2.4G. Test conditions not stated. The US page value is stored.

Basic mouse OS supportiOperating systems supported for basic input. Configuration software support is listed separately and may require a newer OS version.

Windows, macOS, Linux1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026Supported Systems: Windows 11 / 10 / 8 / 7 / Vista / XP, Linux, Mac OS X. The previous and next page thumb buttons are not recognized on Mac OS X. This is basic input support.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Supported Systems: Windows 10 / 8 / 7 / Vista / XP, Linux, Mac OS X. The previous and next page buttons are not for Apple Mac OS.4Maker product pageservice.anker.com/article-description/Anker-Mouse-FAQRead 20 October 2026The previous and next page thumb buttons are not recognized on macOS. Basic mouse input on macOS is supported by the maker's pages.

Windows, macOS, Android1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026System requirements: receiver works with Windows XP, 7, 8, 10 or later and macOS 10.12 or later. Bluetooth works with Windows 8, 10 or later, macOS 10.12 or later and Android 4.3 or later. Forward and Backward buttons are not suitable for macOS.

ConsolesiConsole families explicitly supported. Source notes identify exact consoles, games and reduced polling or software functions.

Not available

Not available

Battery

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Battery type

AAA1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 20262 AAA batteries, not included.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Specifications, Battery Type: 2 AAA batteries (not included).3Maker product pageca.store.anker.com/products/a7852Read 20 October 2026Gallery image 3: Battery Slot (2 AAA Battery 1.5 V).4Maker product pageservice.anker.com/article-description/Anker-Mouse-FAQRead 20 October 2026This mouse takes 2 AAA batteries.

Not available

Disposable battery countiNumber of disposable cells, such as AA or AAA. Do not use this field for internal rechargeable cells.

21Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026What You Get: mouse (2 AAA batteries not included). Two AAA cells are needed.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Instruction step 2: insert 2 AAA batteries (not included) into the battery slot.

Not available

Battery capacityiPublished or physically identified internal battery capacity. Do not calculate mAh from claimed runtime or compare capacities across unverified hardware revisions.

Not available

500mAh1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Specs tab lists a rechargeable 500 mAh battery. It names the chemistry Li-Po in the specs and Li-Ion in the description, so no battery type is stored.

User-replaceable batteryiBattery replacement is a supported user procedure. The ability to open and modify the mouse does not establish this feature.

Yes2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Instruction steps 1 and 2: remove the battery cover and insert 2 AAA batteries.

No1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Page describes a built-in rechargeable battery. No replacement procedure is given.

Battery life by mode (claimed)iOne manufacturer or published product claim per documented connection, polling rate and lighting condition. Omit unstated conditions. Source notes identify performance, switch and haptic modes and whether runtime is up to a value.

Not available

Not available

Battery life (up to)iManufacturer estimate of days of normal use between full charges. This includes periods when the mouse is idle. It is not continuous runtime. Source notes preserve usage conditions and qualifiers when published. Do not convert this estimate to continuous hours.

Not available

Not available

Battery life (normal use)iManufacturer estimate of calendar months of normal use between charges or battery replacements. It is not continuous runtime. Source notes retain approximate, up-to, or-more and operating-mode qualifiers. Do not convert this estimate to continuous hours.

Not available

Not available

Longest battery life

Not available

Not available

Battery life at 1000 HziLongest stored claim explicitly at 1000 Hz over 2.4 GHz. A claim without a confirmed polling rate is excluded.

Not available

Not available

Battery life on Bluetooth

Not available

Not available

Charging port

None6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026The button layout image says USB charging not supported. The mouse runs on 2 AAA batteries.

USB-C1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Page lists Type-C charging.

Full charge timeiClaimed time from empty to full charge, in minutes. Approximation and charging setup are stated in source notes.

Not available

180min4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026How to Charge the Mouse: it will take 2-3 hours for charging, then the charging indicator turns off. Stored as the 3 hour upper bound. A page image caption says 4-5 hours charge.9Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual_DE.pdfRead 15 October 2026German manual, page 15: charging takes 2 to 3 hours. This agrees with the English manual. The 3 hour upper bound is stored.

Quick charge

Not available

Not available

Use while chargingiMouse input works while the internal battery charges through the documented wired or dock arrangement.

Not available

Not available

Charging system compatibilityiNamed wireless charging pad or contact dock. Source notes distinguish inductive pads from pogo-pin contact charging.

Not available

Not available

Charging dock included

No6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Package list has no dock.

No4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Package List is complete and lists no dock. The mouse charges over its Type-C port.

Battery indicator

LED2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026The red indicator flashes continuously if the battery is low.5Maker product pageservice.anker.com/article-description/Why-does-my-mouse-s-LED-light-blink-redRead 20 October 2026When the battery is low the LED bar turns red and blinks every time you move the mouse.

LED4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026A low-battery indicator light flashes red when the battery is low and stays on while charging.

Lighting

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Decorative RGB lightingiUser-configurable decorative lighting. A multicolour status, DPI or battery indicator alone is not decorative RGB.

No5Maker product pageservice.anker.com/article-description/Why-does-my-mouse-s-LED-light-blink-redRead 20 October 2026The only lighting is a status LED that stays off in normal use. No decorative lighting.

No5Maker product pageprotoarc.com/pages/faq-em11-nl-em11Read 15 October 2026FAQ: the EM11 NL does not have an RGB light, but the EM11 does.

Decorative lighting zonesiNumber of independently controlled decorative lighting zones. Status indicator LEDs are excluded.

05Maker product pageservice.anker.com/article-description/Why-does-my-mouse-s-LED-light-blink-redRead 20 October 2026The only lighting is a status LED that stays off in normal use. No decorative lighting zones.

Not available

Lighting sync

Not available

Not available

DPI indicator

LED1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026Red Indicator Status: one flash means 800 DPI, two flashes 1200 DPI and three flashes 1600 DPI.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Red Indicator Status: flashing once 800 DPI, twice 1200 DPI, three times 1600 DPI.5Maker product pageservice.anker.com/article-description/Why-does-my-mouse-s-LED-light-blink-redRead 20 October 2026The red LED flashes when the DPI button is pressed. The number of flashes shows the level.

LED5Maker product pageprotoarc.com/pages/faq-em11-nl-em11Read 15 October 2026FAQ: a red light flashes once, twice or three times for 1000, 1600 or 2400 DPI.

Software

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Software

Not available

Not available

Configuration software platformsiPlatforms explicitly supported for configuring this exact model. Basic input compatibility and availability of a generic app on another platform do not establish model support.

Not available

Not available

Onboard memoryiDocumented settings remain available without configuration software running. Which settings persist is stated in source notes.

Not available

Not available

Onboard profilesiMaximum distinct hardware-stored profiles. Software game profiles and factory preset profiles do not establish this maximum.

Not available

Not available

Macros

Not available

Not available

Macros stored onboardiMacros themselves execute from mouse memory without the configuration app. Onboard DPI or button assignments alone do not prove onboard macros.

Not available

Not available

Button remapping

No4Maker product pageservice.anker.com/article-description/Anker-Mouse-FAQRead 20 October 2026Anker Mouse FAQ: Can I program or customize the mouse buttons? No.

No5Maker product pageprotoarc.com/pages/faq-em11-nl-em11Read 15 October 2026FAQ: the mouse buttons are not programmable.

Per-app profiles

Not available

Not available

User firmware updatesiA public user-accessible updater or documented software firmware-update procedure exists for this exact model.

Not available

Not available

In the box

2 of 4 differ

In the boxiDocumented contents of the specified colour or bundle. Installed parts and optional extras are distinguished in source notes.

Anker Wireless Vertical Ergonomic Optical Mouse (2 AAA batteries not included), 2.4G USB receiver (in the bottom of the mouse), Instruction manual1Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026What You Get: Anker Wireless Vertical Ergonomic Optical Mouse (2 AAA batteries not included), 2.4G USB receiver (in the bottom of the mouse), user guide.3Maker product pageca.store.anker.com/products/a7852Read 20 October 2026Package includes: 1 mouse (2 AAA batteries not included), 1 2.4G USB receiver (in the bottom of the mouse), 1 instruction manual.

Wireless Mouse, Type-C charging cable, USB receiver, User manual4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Package List: 1 x Wireless Mouse, 1 x Type-C charging cable, 1 x USB receiver, 1 x User manual. The product page contents list omits the cable.

Cables included

AAnker 2.4G Wireless Vertical Ergonomic Optical Mouse

Not available

BProtoArc EM11 NL

Type	Cable count
Type-C charging cable	1

Source4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Package List: 1 x Type-C charging cable.

Extra skates includediAn extra usable skate set is supplied separately from installed skates, including an alternative dot set. Factory protective film is not a spare skate.

No6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Package list has no spare feet.

No4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Package List is complete and lists no spare skates.

Grip tape

No6Retailer pageamazon.com/dp/B00BIFNTMCRead 20 October 2026Package list has no grip tape.

No4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026Package List is complete and lists no grip tape.

Links

Not compared

Product page

anker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a78521Maker product pageanker.com.sg/a/p/products/anker-2-4g-wireless-vertical-mouse-ergonomic-optical-a7852Read 20 October 2026Anker Singapore store page for the A7852 with the full spec table. The Anker US page (anker.com/products/a7582) redirects to the Nordics store from this network and could not be read.

protoarc.com/products/em11-nl-vertical-mouse1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026

Spec sheet

Not available

protoarc.com/products/em11-nl-vertical-mouse1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026

Manual

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdf2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000008550/en_US/000008550.pdfRead 20 October 2026Official A7852 welcome guide, 2018 edition, hosted by Anker support. Multi-language.

cdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdf4Owner's manualcdn.shopifycdn.net/s/files/1/0551/3972/9497/files/EM11_NL_User_Manual.pdfRead 15 October 2026

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

1 of 1 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1.5years3Maker product pageca.store.anker.com/products/a7852Read 20 October 202618-month hassle-free warranty, stated on the store page. Stored as 1.5 years.

2years1Maker product pageprotoarc.com/products/em11-nl-vertical-mouseRead 15 October 2026Page states a 2-Year Limited Hardware Warranty on the US store.

Both are also in the API. Back to all mice.