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ProtoArc EM01 NL

ProtoArcErgonomic mouse

EM01 NL

Released May 2024.2Maker product pageprotoarc.com/products/em01-nl-trackball-mouse.jsonRead 15 October 2026The store feed shows the product created on 2024-05-29 and published on 2024-05-31. The English manual PDF was created on 2024-01-30 and last saved on 2024-05-31. The first archived page is dated 2024-06-18. Amazon may have sold it earlier. Last checked 15 October 2026.

Mouse weight (claimed)
191g
Marketed sensor name
Advanced Optical Tracking
Maximum configurable DPI
1,600DPI
Max polling rate
250Hz

58 of 154 fields known.

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At a glance

All specs

SourceCalculated

General

Series
EM Series7Maker product pageprotoarc.com/collections/em-seriesRead 15 October 2026The EM Series collection page lists the EM01 NL.
Model numbers
CP014935, CP014939, CP014938, CP014936, CP0149402Maker product pageprotoarc.com/products/em01-nl-trackball-mouse.jsonRead 15 October 2026The maker's store feed lists these SKUs by colour. Gray CP014935, Red CP014939, Silver CP014938, Purple CP014936, Gold CP014940.
GTIN / EAN
Not available
Announced
Not available
Status
Available1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Store page offers the mouse in five colours with a sale price of 37.99 USD.
Predecessor
Not available
Successor
Not available
Launch price (US)
$39.993Maker product pageweb.archive.org/web/20240618162313/https://www.protoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026First archived copy of the maker's page, 18 days after publication, lists Gray Ball at 39.99 USD and Red, Silver, Purple, Blue and Gold at 44.99 USD with no compare-at price. A mid-year coupon banner was shown separately. US price excludes tax. The base value is the Gray price and each colour row repeats its own price.
Launch price (EU)
Not available
Markets
Not available
Colours
Gray, Red, Silver, Purple, Gold2Maker product pageprotoarc.com/products/em01-nl-trackball-mouse.jsonRead 15 October 2026Store feed colour names. The colour is the trackball colour. The body is dark gray.
Segment
Ergonomic1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026The page titles the mouse an Ergonomic Trackball Mouse and names ergonomic design for all-day comfort.
Mouse type
Trackball1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Page: Thumb Control Trackball.

Shape

Body shape
Asymmetric, right-handed6Retailer pageamazon.com/dp/B0CWTY6Z99Read 15 October 2026Product information lists Hand Orientation Right. The manual drawing shows the ball on the left for the right thumb.
Maker size class
Not available
Recommended grips
Not available
Recommended hand size
Not available
Hump position
Not available
Thumb rest
Not available
Ring or pinky finger rest
Not available
Upper shell
Not available
Swappable parts
Not available
Adjustable weight
Not available
Maximum added weight
Not available
Vertical angle
Not available
Trackball diameter
34mm5Maker product pageprotoarc.com/pages/faq-em01-em01-nlRead 15 October 2026FAQ for the EM01 and EM01 NL: the trackball is made of resin with spray paint and has a diameter of 34 mm.
Trackball position
Thumb1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Page: your thumb will control the cursor, and the product name says Thumb Control Trackball.

Dimensions and weight

Mouse body dimensions
Length125Maximum height39.3mm(4.9 × 1.5 in)1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab lists Height 125 mm, Width 63.4 mm and Depth 39.3 mm. The manual lists 4.92 x 2.5 x 1.55 in. Stored as length 125 and height 39.3. The 63.4 mm width is left out. The maker's top-view drawing shows a body wider than half its length once the thumb lobe is included, so the figure appears to exclude the lobe. No source says what the width covers. A reviewer of the EM01 lists the same 63 x 125 x 39 mm.
Grip width
Not available
Mouse weight (claimed)
191g(6.7 oz)1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab lists 6.38 oz (181 g) without the receiver. The English manual lists 6.74 oz (191 g). The manual value is stored. It includes the built-in battery. Colour not stated.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Data Parameters, page 8: Weight 6.74 oz (191 g). The product page lists 181 g. The manual is preferred over the page.
Box dimensions
Not available
Packed weight
Not available

Sensor

Marketed sensor name
Advanced Optical Tracking1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab lists Sensor technology ProtoArc Advanced Optical Tracking. No physical sensor part is named.
Published sensor brand
ProtoArc1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab names ProtoArc as the brand of the optical tracking.
Physical sensor part number
Not available
Sensor type
Optical1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab lists Advanced Optical Tracking. The manual lists Optical.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Data Parameters, page 8: Movement Detection Technology Optical.
Maximum configurable DPI
1,600DPI1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab lists DPI 200/400/800/1200/1600. An icon on the same page says 3 Adjustable DPI, which conflicts with the 5 levels in the text, the specs tab and the manual.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Data Parameters: DPI 200-400-800-1200-1600.
Minimum configurable DPI
200DPI1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab lists DPI 200/400/800/1200/1600.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Data Parameters: DPI 200-400-800-1200-1600.
DPI adjustment step
Not available
Maximum DPI stages
51Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Page text: 5 DPI levels. The manual agrees with five levels.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Page 3: one red flash means 200 DPI, two 400, three 800, four 1200 and five 1600.
Default DPI presets
200, 400, 800, 1,200, 1,600DPI1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab lists the five levels. The manual says the factory default is 400.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Page 3: the factory default DPI value is 400 and the DPI+ and DPI- buttons step through 200, 400, 800, 1200 and 1600.
Separate X and Y DPI
Not available
Tracking speed (claimed)
Not available
Tracking acceleration (claimed)
Not available
Lift-off distance settings
Not available
Separate lift and landing distance
Not available
Surface calibration
Not available
Motion Sync
Not available
Angle snapping
Not available
Ripple control
Not available
Tracks on glass
Not available
Sensor position
Not available

Performance

Documented polling rates by connection
Data connectionPolling rate (Hz)Receiver requirement
2.4 GHz250included USB receiver
Bluetooth125Not available
Source4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Data Parameters: 2.4G reaction rate 250 Hz and Bluetooth reaction rate 125 Hz. Read as the report rate.
Max polling rate
250Hz
Polling rate (wired)
Not available
Polling rate (2.4 GHz)
250Hz
Polling rate (Bluetooth)
125Hz
Claimed click latency
Not available
Adjustable debounce
Not available
Minimum debounce
Not available

Measured

We could not find any of these 7 fields. Show them
Latency per connection (measured)
Not available
DPI deviation (measured)
Not available
Lift-off distance (measured)
Not available
Main click force (measured)
Not available
Weight (measured)
Not available
Battery life (measured)
Not available
Hand size fit
Not available

Switches

Main switch type
Not available
Published main-switch brand
Not available
Main switch model
Not available
Main switch rated life
3million1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Page lists click life of more than 3 million times. The manual says 3 million+. Stored as the 3 million threshold.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Data Parameters: Click life 3 million+.
Hot-swap main switches
Not available
Adjustable click actuation
Not available
Separate main buttons
Not available
Side switch model
Not available
Middle click switch
Not available
Scroll encoder type
Not available
Scroll encoder
Not available

Buttons and scroll wheel

Physical button inputs
81Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab says 10 buttons and lists Left, Middle and Right click, Back and Forward, Scroll-wheel, Precision Switch and Multi-Device switch. That count includes scroll up and down as separate inputs. The manual draws 8 physical buttons.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Product Features page 2 labels A Left, B Right, C Forward, D Backward, F DPI -, G DPI +, I Scroll Wheel and J Channel Switch Button. That is eight inputs with the wheel click. The power switch is not counted. Scroll rotation is not counted.
Programmable buttons
05Maker product pageprotoarc.com/pages/faq-em01-em01-nlRead 15 October 2026FAQ for the EM01 and EM01 NL: all keys are not programmable.
Side buttons
44Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026The drawing and photos put Forward, Backward, DPI - and DPI + on the left wall, the thumb side of the right-handed body. Forward and Backward sit above the ball and the two DPI buttons below it.
Side buttons on
Left4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026The drawing shows the buttons on the left wall.
DPI button
Yes4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Product Features: F DPI - Button and G DPI + Button.
DPI button position
Not available
Profile button
Not available
Dedicated DPI-shift button
Not available
Dedicated gesture button
Not available
Scroll wheel
Not available
Scroll mode switch
Not available
Separate thumb wheel
Not available
Scroll wheel material
Not available

Build

We could not find any of these 6 fields. Show them
Shell material
Not available
Surface finish
Not available
Installed feet material
Not available
Installed skate pieces
Not available
Feet shape
Not available
Feet thickness
Not available

Cable

Cable
Not available
Cable length
Not available
Detachable cable
Not available
Port on mouse
USB-C4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Product Features: N TYPE-C Charging Port.
Cable host plug
USB-A4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Charging Guide page 6 draws the cable with a USB-A plug on the computer end.

Connectivity

Connections
2.4 GHz, Bluetooth1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab lists a USB receiver and Bluetooth low energy technology. The Type-C port only charges.
Wireless technology
Not available
Bluetooth
Not available
Saved Bluetooth pairing slots
24Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Page 7 shows channel 1 for 2.4G USB and channels 2 and 3 for Bluetooth 1 and Bluetooth 2.
Switchable host devices
31Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Page: connect via Bluetooth or the 2.4G USB receiver and control three devices with one button.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Page 7: press the channel switch button to switch between 3 devices.
Device switching
Button4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Page 7: the channel switch button on top of the mouse.
Receiver host connector
USB-A4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Product Features and USB Connection pages draw a nano receiver with a USB-A plug.
Receiver storage in mouse
Not available
Receiver extender included
No4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Packing List is complete and lists no extender.
Receiver pairing shared
Not available
Wireless range
10m1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab lists a wireless operating distance of 10 m (32.8 ft). Test conditions not stated.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Data Parameters: Transmission distance 10 m for Bluetooth and for 2.4G. Test conditions not stated.
Basic mouse OS support
Windows, macOS, Linux, Android, iOS1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026System requirements: the receiver works with Windows XP, 7, 8, 10 or later, Linux and macOS 10.10 or later. Bluetooth works with Windows 8, 10 or later, Linux, macOS 10.10 or later and Android 4.3 or later. The manual adds iOS 9.2 and above for Bluetooth.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Data Parameters: Bluetooth works with Windows 8, 10 or higher, macOS 10.10 or higher, Android 4.3 or higher and iOS 9.2 and above. 2.4G works with Windows XP, 7, 8, 10 or higher and macOS 10.10 or higher. The product page adds Linux.
Consoles
Not available

Battery

Battery type
Li-Po1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Page: rechargeable Li-Po (900 mAh) battery.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Data Parameters: Lithium battery capacity 900 mAh.
Disposable battery count
Not available
Battery capacity
900mAh1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Page and manual: 900 mAh.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Data Parameters: Lithium battery capacity 900 mAh.
User-replaceable battery
No1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Page describes a built-in rechargeable battery. The manual gives no replacement procedure.
Battery life by mode (claimed)
Not available
Battery life (up to)
90days1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab: battery life up to 90 days on a single full charge. Usage and settings are not stated. A page image says 300+ days standby time, which is not a battery life claim.
Battery life (normal use)
Not available
Longest battery life
Not available
Battery life at 1000 Hz
Not available
Battery life on Bluetooth
Not available
Charging port
USB-C1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Page: charge with the included USB-C charging cable.
Full charge time
210min4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Charging Guide: the charging time is about 1 to 3.5 hours. Stored as the 3.5 hour upper bound.
Quick charge
Not available
Use while charging
Not available
Charging system compatibility
Not available
Charging dock included
No4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Packing List is complete and lists no dock. The mouse charges over its Type-C port.
Battery indicator
LED4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Charging Guide: the charging indicator light flashes red when the battery is low and stays red while charging. It turns off when fully charged.

Lighting

Decorative RGB lighting
No1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026The maker's FAQ says the EM01 NL has no RGB light.5Maker product pageprotoarc.com/pages/faq-em01-em01-nlRead 15 October 2026FAQ: the EM01 NL does not have an RGB light, but the EM01 does.
Decorative lighting zones
Not available
Lighting sync
Not available
DPI indicator
LED4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Page 3: a red indicator light flashes to show the DPI level.

Software

Software
Not available
Configuration software platforms
Not available
Onboard memory
Not available
Onboard profiles
Not available
Macros
Not available
Macros stored onboard
Not available
Button remapping
No5Maker product pageprotoarc.com/pages/faq-em01-em01-nlRead 15 October 2026FAQ for the EM01 and EM01 NL: all keys are not programmable.
Per-app profiles
Not available
User firmware updates
Not available

In the box

In the box
Wireless Mouse, USB Receiver, Type C Charging Cable, User Manual1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Specs tab package contents: EM01 NL Trackball Mouse, USB Receiver, USB-C cable for recharging, User Manual. The manual's packing list is stored.4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Packing List: 1 x Wireless Mouse, 1 x USB Receiver, 1 x Type C Charging Cable, 1 x User Manual.
Cables included
TypeCable count
Type-C charging cable1
Source4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Packing List: 1 x Type C Charging Cable.
Extra skates included
No4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Packing List is complete and lists no spare skates.
Grip tape
No4Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_NL_User_Manual.pdfRead 15 October 2026Packing List is complete and lists no grip tape.

Warranty

Manufacturer warranty (source market)
2years1Maker product pageprotoarc.com/products/em01-nl-trackball-mouseRead 15 October 2026Page states 2-Year Limited Hardware Warranty on the US store.

Compare with

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Variants

Each variant lists only what differs from the specs above.

Model numberLaunch price (US)Colours
CP014935$39.99Gray
CP014939$44.99Red
CP014938$44.99Silver
CP014936$44.99Purple
CP014940$44.99Gold

Sources

We read 7 sources for this mouse. The numbers match the markers in the sheet.

  1. Read 15 October 2026Backs 29 fields
  2. Read 15 October 2026Backs 4 fields
  3. Read 15 October 2026Backs 1 field
  4. Read 15 October 2026Backs 32 fields
  5. Read 15 October 2026Backs 4 fields
  6. Read 15 October 2026Backs 1 field
  7. Read 15 October 2026Backs 1 field

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