Wireless speakers / Compare

Bose SoundLink Flex Portable Speaker (2nd Gen) vs LG xboom Grab

A

Product A: Bose

SoundLink Flex Portable Speaker (2nd Gen)

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B

Product B: LG

xboom Grab

49 of 96 known

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Only differences

ABose SoundLink Flex Portable Speaker (2nd Gen)

BLG xboom Grab

General

5 of 8 differ

Series

SoundLink1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

Not available

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

4425913Owner's manualassets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdfRead 8 October 2026Regulatory information, page 4: Model 442591.

GRAB, GRAB.ACANLBK, GRAB.AAUSLBK, GRAB.AEUTLBK, GRAB.AEUSLBK11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Page data: model name GRAB and SKU GRAB.ACANLBK for Black in Canada. The Australia, EU and UK and Spain pages carry GRAB.AAUSLBK, GRAB.AEUTLBK and GRAB.AEUSLBK.

GTIN / EAN

Not available

8806096641835, 8806096488508, 880609632738812Maker product pagelg.com/uk/speakers/xboom/grabRead 15 October 2026UK spec table: Barcode (EAN Code) 8806096641835 for GRAB.AEUTLBK. The Australia page lists 8806096488508 for GRAB.AAUSLBK and the Spain page lists 8806096327388 for GRAB.AEUSLBK.13Maker product pagelg.com/au/speakers/xboom/grabRead 15 October 2026Australia spec table barcode 8806096488508.14Maker product pagelg.com/es/altavoces/xboom/grabRead 15 October 2026Spain spec table EAN code 8806096327388.

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

Not available

January 202515Reviewtechradar.com/audio/wireless-bluetooth-speakers/lg-xboom-grab-reviewRead 15 October 2026Unveiled at CES in January 2025.

Status

Available1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

Available11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026The page offers the speaker for sale with Buy Now and stock alert buttons. Retailers also list it.

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

Bose SoundLink Flex Bluetooth Speaker5Reviewsoundguys.com/bose-soundlink-flex-2nd-gen-review-125253Read 8 October 2026SoundGuys calls the original Bose SoundLink Flex the predecessor of the SoundLink Flex (2nd Gen).

Not available

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

$149.9915Reviewtechradar.com/audio/wireless-bluetooth-speakers/lg-xboom-grab-reviewRead 15 October 2026Officially priced at $149.99 / 129.98 GBP / AU$229. The LG press release of 14 April 2025 prints the rounded $149.16Press releasetomorrowsworldtoday.comRead 15 October 2026Lists xboom Grab at $149, rounded. T3 and TechRadar give $149.99.20Measurementsoundguys.com/lg-xboom-grab-review-is-this-the-best-jbl-flip-alternative-146889Read 15 October 2026MSRP $149.99.

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

€16917Reviewhifi.de/test/lg-xboom-grab-test-229706Read 15 October 2026German test of 25 April 2025 lists Preis 169 Euro. Baur.de prints a UVP of 169,00 EUR. Price includes VAT. Germany.

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

US1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

US16Press releasetomorrowsworldtoday.comRead 15 October 2026The USD price is the US price. The release lists xboom by will.i.am at LG.com and LG-authorized retailers.

ColoursiThe maker's own colour names

Black, Blue Dusk, Sandstone, Alpine Sage, Twilight Blue, Petal Pink, Citrus Yellow, Fog Grey, Dewdrop Mint1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026Current maker page explicitly offers Dewdrop Mint. Other listed colors come from the exact-model support specification.2Maker product pagesupport.bose.com/s/article/product-specifications-bose-soundlink-flex-portable-speaker-2nd-genRead 8 October 2026

Black, Warm Grey11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Spec table: Black / Warm Grey.

Speaker typeiHome covers speakers made to stay in one place, including smart speakers. A speaker with Wi-Fi or a voice assistant can be of any type.

Portable1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

Portable11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026LG markets a portable Bluetooth speaker with a carrying strap, IP67 and a long battery.

Audio

6 of 18 differ

Audio channelsiSound channels reproduced by one speaker. Pairing two speakers for stereo is separate.

Mono1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

Mono18Reviewrtings.com/speaker/reviews/lg/xboom-grabRead 15 October 2026Public cons and pros list: downmixes stereo content to mono, unless paired with another unit. LG lists 1.1ch (2 way).20Measurementsoundguys.com/lg-xboom-grab-review-is-this-the-best-jbl-flip-alternative-146889Read 15 October 2026Review FAQ: the LG xboom Grab is a mono speaker.

Audio driversiPowered audio transducers in one speaker. Passive radiators are counted separately. Circular diameter and rectangular width and height have separate columns. Per-driver power must state continuous or RMS basis and battery or mains operation in the source note.

ABose SoundLink Flex Portable Speaker (2nd Gen)

Driver type	Count
Full-range	1

Source4Maker product pagesupport.bose.com/article/poor-sound-quality-from-product-soundlink-flex-portable-speaker-2nd-genRead 8 October 2026Exact second-generation support article: one active speaker and two passive radiators. Full-range role is also stated in product-page sound options.

BLG xboom Grab

Driver type	Count	Diameter (mm)	Width (mm)	Height (mm)
Woofer (racetrack)	1	Not available	80	45
Dome tweeter	1	16	Not available	Not available

Source11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Spec table: woofer unit 80 x 45 mm (racetrack, one) and a 16 mm dome tweeter by Peerless (one). The number of channels is 1.1ch (2 way). No driver power rating is published.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

24Maker product pagesupport.bose.com/article/poor-sound-quality-from-product-soundlink-flex-portable-speaker-2nd-genRead 8 October 2026

211Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Spec table: passive radiator Yes (2).

Rated audio poweriMaker-published total rated continuous audio output. Battery power is used for portable speakers when mains and battery ratings differ. Peak marketing power is separate.

Not available

Not available

Rated audio power on mainsiTotal rated continuous audio output with external power. Store a separate battery rating when the maker publishes both.

Not available

Not available

Audio output power (unspecified rating)iMaker- or reviewer-published audio output power whose continuous or peak rating basis is not stated. This is separate from rated continuous output and explicitly published peak output.

Not available

30W11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Spec table: Output Power 20 W + 10 W. The basis is not stated and the split between woofer and tweeter is not named. 30 W is the sum of the two printed figures. TechRadar says a 10 W tweeter and a 20 W racetrack woofer.

Peak audio poweriExplicitly published peak audio output. Never substitute for rated continuous output.

Not available

Not available

Frequency response lower limit (claimed)iPublished acoustic frequency response limit. Tolerance and operating mode belong in the source note. The Bluetooth transmission range that some spec tables and retailers label Frequency Response, such as A2DP 20 to 20,000 Hz, is not stored.

Not available

Not available

Frequency response upper limit (claimed)iPublished acoustic frequency response limit. Tolerance and operating mode belong in the source note. The Bluetooth transmission range that some spec tables and retailers label Frequency Response, such as A2DP 20 to 20,000 Hz, is not stored.

Not available

Not available

Signal-to-noise ratio (claimed)

Not available

Not available

Adjustable equalizeriUser-adjustable frequency bands. Selecting fixed sound presets alone does not qualify.

Yes1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

Yes11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026EQ rows: AI Sound, Bass Boost, Custom (App) and Standard. Custom is the user EQ in the LG ThinQ app.

Equalizer bandsiNumber of user-adjustable frequency bands. Do not count sound presets.

35Reviewsoundguys.com/bose-soundlink-flex-2nd-gen-review-125253Read 8 October 2026Bose app offers Bass, Middle and Treble sliders.

619Reviewheadphonecheck.com/test/lg-xboom-grab-by-will-i-amRead 15 October 2026Review: in the Sound Effect section of the LG ThinQ app you can choose four presets or use a 6-band EQ.

Automatic sound adjustmentiAdjusts audio to placement or playback conditions. Keep the named feature and conditions in the source note.

Yes1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026PositionIQ senses speaker orientation and adjusts playback. Standing, lying and hanging orientations are supported.

Yes3Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content2.htmlRead 15 October 2026Pressing the MY button twice starts Space Calibration, which selects the optimal sound settings. The LG page says it adjusts sound output to the size and layout of the room.11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Space Calibration adjusts sound output to the size and layout of the room. AI Sound analyzes the audio and adjusts the sound to the genre.

Sound modesiNamed playback modes. Battery extension modes are also qualified in battery source notes.

Not available

AI Sound, Bass Boost, Standard, Voice Enhance11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026EQ rows: AI Sound, Bass Boost, Standard. The battery footnote and the manual also name Voice Enhance mode. The page offers rhythm, melody and voice modes or AI selection.

Wireless stereo pairingiTwo compatible speakers can play separate left and right channels.

Yes1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026Two identical SoundLink Flex (2nd Gen) speakers provide left and right channels. Party Mode can link different compatible current SoundLink models.

Yes9Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content13.htmlRead 15 October 2026Party Link Stereo mode: two speakers of the same model, one plays left and one plays right.

Speaker link protocolsiNamed systems for linking compatible speakers, such as PartyBoost, Auracast or Party Connect. Linking support does not establish compatibility across all models.

Bose Party Mode, Bose Stereo Mode, Bose SimpleSync1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

Party Link, Auracast9Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content13.htmlRead 15 October 2026Party Link Stereo and Multi modes. Party Link is only available among Auracast-supported LG models. No maximum number of speakers is published.

Max linked speakersiPublished maximum in a speaker group. A stereo pair is recorded separately. A figure such as 100+ is stored as 100.

21Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026Two speakers in Party or Stereo Mode. SimpleSync connects to a compatible Bose smart speaker or soundbar.

Not available

Max Bluetooth group speakersiPublished maximum speakers in one Bluetooth playback group, including the first speaker. Source notes name the compatible models or families, linking system and firmware requirements. Wi-Fi groups and concurrent Bluetooth source devices are excluded. A stereo pair alone does not establish the maximum when other Bluetooth linking systems are supported. A figure such as 100+ is stored as 100.

Not available

Not available

Connectivity

6 of 16 differ

Bluetooth audio playbackiPlays audio streamed over Bluetooth from a phone or other source. Bluetooth used only for setup or app control does not count.

Yes3Owner's manualassets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdfRead 8 October 2026

Yes5Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content7.htmlRead 15 October 2026

Bluetooth versioniVersion of the Bluetooth radio. Some Wi-Fi speakers use Bluetooth only for setup. See Bluetooth audio playback.

5.32Maker product pagesupport.bose.com/s/article/product-specifications-bose-soundlink-flex-portable-speaker-2nd-genRead 8 October 2026

Not available

Bluetooth codecsiExplicitly supported receive codecs. Bluetooth version alone does not establish codecs.

SBC, AAC, aptX Adaptive3Owner's manualassets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdfRead 8 October 2026Page 18 explicitly identifies aptX Adaptive with a compatible Snapdragon Sound source. SBC and AAC are corroborated by the exact-model SoundGuys review.

SBC, AAC, LC35Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content7.htmlRead 15 October 2026Bluetooth specifications: codec SBC, AAC, LC3. The LG spec table lists only AAC and SBC.

Bluetooth profiles

A2DP, AVRCP, BLE, HFP2Maker product pagesupport.bose.com/s/article/product-specifications-bose-soundlink-flex-portable-speaker-2nd-genRead 8 October 2026

Not available

Bluetooth LE AudioiExplicit LE Audio support. Bluetooth LE for app control alone does not qualify.

Not available

Yes11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Page: using Bluetooth LE Audio, Auracast broadcasts audio to multiple compatible speakers at once.

AuracastiExplicit Auracast support. Sending, receiving and speaker-group roles belong in source notes.

Not available

Yes10Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content14.htmlRead 15 October 2026The speaker can listen to Auracast broadcasts through the LG ThinQ app. Party Link between speakers also uses Auracast-supported models.11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Page: Auracast audio broadcasting for multi-speaker connection.

MultipointiConcurrent Bluetooth source connections. Pairing memory and speaker-to-speaker linking do not qualify.

Yes1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

Yes6Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content8.htmlRead 15 October 2026Multi phone pairing: up to two Bluetooth devices can be connected at the same time.11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Spec table: Multipoint Yes.

Multipoint source devicesiMaximum concurrently connected Bluetooth source devices, not remembered pairings.

21Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

26Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content8.htmlRead 15 October 2026Up to two Bluetooth devices at the same time. Not available while Party Link Stereo or Multi mode is active.

Bluetooth range (claimed)iMaker-claimed Bluetooth range to the source device. Test conditions belong in the source note.

Not available

Not available

Wi-FiiBuilt-in Wi-Fi, for audio streaming, setup or control.

No6Reviewrtings.com/speaker/reviews/bose/soundlink-flex-2nd-genRead 8 October 2026Public Wi-Fi test row explicitly says No. Member-only metrics were not used.

No18Reviewrtings.com/speaker/reviews/lg/xboom-grabRead 15 October 2026Public headline row: Wi-Fi No.

Wi-Fi standardsiOne 802.11 name per item, such as 802.11ax. A Wi-Fi generation is written as its standard, so Wi-Fi 5 is 802.11ac and Wi-Fi 6 is 802.11ax. Older standards are listed only when a source names them.

Not available

Not available

Network audio protocolsiNamed systems that stream audio to the speaker over the home network. AirPlay is written as AirPlay 2. Chromecast built-in is written as Google Cast. Other names follow the maker, such as Spotify Connect.

Not available

Not available

USB audio inputiPlayback from a connected computer or phone through USB. Charging, service ports and USB flash-drive playback do not qualify.

Not available

Not available

USB drive playbackiPlayback of audio files on a connected USB storage device.

Not available

Not available

USB audio file formats

Not available

Not available

PortsiPhysical speaker connectors. Record charging, audio input, power output and service roles separately. A shared microphone and guitar jack is one port. A combo jack that takes XLR and 6.35 mm plugs is 6.35 mm audio, and the role names XLR. Optical is a TOSLINK digital audio socket.

ABose SoundLink Flex Portable Speaker (2nd Gen)

Not available

BLG xboom Grab

Connector	Count	Role
USB-C	1	Charging input (DC IN)

Source4Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content3.htmlRead 15 October 2026Back panel: DC IN takes a USB (C-type) cable to charge the speaker battery. No other connector is listed.

Controls and software

5 of 8 differ

SpeakerphoneiBuilt-in microphone and call support, through a connected phone or a voice assistant's calling. A microphone used only for voice commands does not count. Microphone inputs for karaoke are separate.

Yes1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026Standard non-SE SoundLink Flex (2nd Gen). Maker specifications exclude the later SE variant from microphone support. No SE variant is included.

Yes7Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content9.htmlRead 15 October 2026Hands-free calls: answer, end, decline and mute from the Play/Pause button using the built-in microphone.

Voice assistantsiVoice assistants explicitly usable through the speaker, such as Amazon Alexa, Google Assistant, Siri or Sonos Voice Control. State whether a connected phone is required.

Siri, Google Assistant6Reviewrtings.com/speaker/reviews/bose/soundlink-flex-2nd-genRead 8 October 2026Public Voice Assistant verdict explicitly supports the paired phone Siri or Google Assistant. No independent assistant on the speaker.

Google Assistant, Siri8Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content10.htmlRead 15 October 2026Turn on Google Assistant or Siri on the connected smartphone and use it through the speaker microphone. A phone is required. Android support depends on country.

Controls

Power, Bluetooth pairing, Volume up/down, Play/pause, Next/previous track, Programmable shortcut3Owner's manualassets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdfRead 8 October 2026Speaker Controls pages 19-23. Shortcut choices include linking, Spotify Tap or connected-phone voice assistant.

Power, Volume, Play/pause (also track skip, calls and voice command), Bluetooth pairing, Party Link, MY button (also Space Calibration)3Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content2.htmlRead 15 October 2026Top buttons: Power, Volume, Play/Pause (also next and previous track, hands-free and voice command), Bluetooth, Party Link, MY. A microphone sits on the body.

Companion app

Bose app1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

LG ThinQ2Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content1.htmlRead 15 October 2026The LG ThinQ app gives EQ, Party Link, Lighting, Sleep Timer and settings.

App platforms

iOS, Android1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

iOS, Android2Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content1.htmlRead 15 October 2026Installing app page: Android 9.0 or higher and iOS 15.0 or higher.

User firmware updates

Yes3Owner's manualassets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdfRead 8 October 2026Care and Maintenance, Update the Speaker: Bose app OTA or Bose updater website.

Yes11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Spec table: Upgrade Manager (FOTA) Yes. T3 says updates install through the LG ThinQ app.21Reviewt3.com/tech/audio/lg-xboom-grab-reviewRead 15 October 2026Review: the LG ThinQ app installs updates to the device, shows the battery level and changes lighting settings.

Built-in lightingiDecorative or ambient lighting. Status, battery, connection and microphone indicator LEDs alone do not qualify.

Not available

Yes4Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content3.htmlRead 15 October 2026A lighting indicator can be switched off with the Volume and MY buttons together or in the LG ThinQ app. It shows status and also gives the lighting effects described on the LG page.11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Spec table: Lighting Yes. AI Lighting syncs with the music.

Lighting modes

Not available

Ambient, Party, Voice11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026AI Lighting: choose Ambient, Party or Voice mode.

Smart home

None of 3 known

Matter controlleriCan add and control Matter devices. Being a Matter device alone does not count.

Not available

Not available

Thread border routeriConnects Thread smart home devices to the home network.

Not available

Not available

Zigbee hubiA built-in Zigbee radio that controls Zigbee smart home devices.

Not available

Not available

Battery and charging

5 of 17 differ

Built-in battery

Yes3Owner's manualassets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdfRead 8 October 2026

Yes1Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content23.htmlRead 15 October 2026Specifications power supply row: built-in rechargeable battery.

Playback time (claimed)iMaximum maker-claimed music playback on one charge in normal playback mode. Battery extension or reduced-bass boost modes belong in battery_life_boost_h. Record volume and lighting conditions in the source note.

12h3Owner's manualassets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdfRead 8 October 2026Page 25: up to 12 hours using Bluetooth A2DP at 50% volume, default EQ, Top 50 Global February 2024 tracks, 20-25 C. At maximum volume Bose specifies up to three hours.

19h1Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content23.htmlRead 15 October 2026Operating time about 19 hours at 50% volume, no lighting and Voice Enhance EQ (internal test). The LG product pages say up to 20 hours with the same conditions. The manual is stored. Actual usage time may vary.11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Page and spec table: up to 20 hours at 50% volume with Bluetooth and Voice Enhance mode on and no lighting. The manual says about 19 hours and is stored.

Playback with battery extension (claimed)iTotal claimed runtime with the named battery extension mode enabled. Store the total, not only the extra hours. Keep sound and lighting restrictions in the source note.

Not available

Not available

Battery energyiPublished battery pack energy. Do not calculate from an assumed voltage.

Not available

Not available

Battery capacityiPublished pack capacity at the voltage in battery_voltage_v. Do not substitute power-bank output capacity. A figure written per cell, such as 5000mAh*2, is not a pack capacity unless the maker states the pack figure.

Not available

4,700mAh1Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content23.htmlRead 15 October 2026Battery capacity 4,700 mAh. No voltage or Wh figure is published.

Nominal battery voltage

Not available

Not available

Battery chemistry

Lithium-ion2Maker product pagesupport.bose.com/s/article/product-specifications-bose-soundlink-flex-portable-speaker-2nd-genRead 8 October 2026

Not available

User-replaceable batteryiBattery that the maker documents as replaceable by the user. Service replacement does not qualify.

Not available

Not available

Full charge timeiTime from discharged to full under the maker conditions. Adapter rating and simultaneous use belong in source notes.

4h3Owner's manualassets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdfRead 8 October 2026Page 25: up to four hours from 0 to 100% in standby, 5 V/1.5 A (7.5 W) USB-A supply.

3h1Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content23.htmlRead 15 October 2026Charging time 3 hours or lower. The charging section says it takes about 3 hours to fully charge. The AC adapter is not supplied. LG recommends a 5 V adapter above 2 A.

Quick charge duration

Not available

Not available

Playback after quick chargeiClaimed music playback after quick_charge_min of charging. Source conditions apply.

Not available

Not available

Charging input ratingiPublished speaker input voltage and current. An adapter rating alone does not establish device input.

5 V DC, 1.5 A3Owner's manualassets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdfRead 8 October 2026Regulatory information, page 4: Input Rating 5 V DC, 1.5 A. This is device input, separate from adapter output.

Not available

Max charging inputiPublished maximum charging input. USB audio power requirements and adapter output are separate.

Not available

Not available

USB Power Delivery charging

Not available

Not available

Charges other devices

No1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026Maker comparison table: Charging Out No.

No4Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content3.htmlRead 15 October 2026The back panel lists only the DC IN charging port and no output port. HeadphoneCheck says it cannot double as a power bank.19Reviewheadphonecheck.com/test/lg-xboom-grab-by-will-i-amRead 15 October 2026Review says the xboom Grab cannot double as a power bank.20Measurementsoundguys.com/lg-xboom-grab-review-is-this-the-best-jbl-flip-alternative-146889Read 15 October 2026Review FAQ: the speaker does not offer USB charging of other devices.

Max power-bank outputiPublished power delivered by the speaker to another device. Output voltage and current belong in the source note.

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Wireless chargingiThe speaker battery can be charged wirelessly. Wireless power output to another device is separate.

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Durability

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Dust and water ratingiExact published IP rating. Keep separate ratings, such as IP68 and IP69, as separate entries.

IP671Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

IP671Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content23.htmlRead 15 October 2026IP67: dust-tight and water resistant up to 1 m for up to 30 minutes in fresh water. Tested under controlled laboratory conditions.

Floats

Yes1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

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Drop resistanceiExplicit maker claim or defined drop test. Do not infer from rugged wording.

Yes1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

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Drop test heightiMaker-published tested height. Surface and conditions belong in source notes.

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Carry featuresiPublished handles, straps, carabiners or wheels.

Nylon utility loop1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

Strap4Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content3.htmlRead 15 October 2026Strap on the back. Lifting the straps on both sides makes a hand strap.

Measured

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Playback time (measured)iReviewer-measured playback per charge. Volume, lighting, sound mode, firmware and connection belong in the source note.

7.05h5Reviewsoundguys.com/bose-soundlink-flex-2nd-gen-review-125253Read 8 October 2026Exact SoundLink Flex (2nd Gen) review: 7 h 3 min. Looping music at 80 dB from one meter. Firmware 4.3.30, Bose app 10.3.13. Volume is higher than the maker 50% runtime test.

9.62h20Measurementsoundguys.com/lg-xboom-grab-review-is-this-the-best-jbl-flip-alternative-146889Read 15 October 2026Own test: a consistent music source at 80 dB measured from one metre away lasted 9 hours 37 minutes (9.62 h) with the light show enabled. The review gives no firmware, sound mode or source details. The unit came from LG.

Max sound pressure (measured)iReviewer-measured maximum SPL. Distance, test method and power source belong in source notes.

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Low-frequency extension (measured)iReviewer-measured low-frequency limit. Threshold and test method belong in source notes.

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High-frequency extension (measured)iReviewer-measured high-frequency limit. Threshold and test method belong in source notes.

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Audio latency (measured)iReviewer-measured source-to-speaker latency. Source device, app, codec, firmware and connection belong in source notes. App compensation may affect results.

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Full charge time (measured)iReviewer-measured time from empty to full. Power adapter and method belong in the source note.

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Dimensions and weight

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DimensionsiSpeaker body width, height and depth on explicitly identified axes. Unlabeled tuples do not establish axis meanings. Handle, strap and orientation conditions belong in the source note.

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Width211Height71.6Depth70mm(8.3 × 2.8 × 2.8 in)1Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content23.htmlRead 15 October 2026Specifications: dimensions (W x H x D) approx. 211.0 x 71.6 x 70.0 mm. The speaker lies on its long axis, so the 211 mm length is the width.

WeightiSpeaker mass including its battery. Excludes packaging, charger and removable carry accessories unless the source states otherwise.

590g(1.3 lb)7Maker product pagebose.de/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026Technical specifications: complete product system 0.59 kg. Convert published metric value to grams. H/D axes are conflicting between US product sections and are omitted.

700g(1.5 lb)12Maker product pagelg.com/uk/speakers/xboom/grabRead 15 October 2026Spec table: net weight 0.7 kg, gross weight 1.1 kg with packaging. The Canada page gives the same. TechRadar says 700 g.

Body materials

Aluminum, Fabric, Nylon, Plastic, Silicone, Steel1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

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Certifications

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FCC IDs

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Other certifications

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MIL-STD-810H11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Tested to MIL-STD-810H for high temperature, rain, vibration, impact, salt water spray, sand dust and flooding. Certification date December 18, 2024, result pass. The tests do not state a drop height.

In the box

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In the box

SoundLink Flex Portable Speaker (2nd Gen), USB-C to USB-A cable, Safety sheet1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

LG xboom Grab, Strap (attached), USB cable, Warranty card22Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content5.htmlRead 15 October 2026Charging page: connect the supplied USB cable. The AC adapter is not supplied. The LG spec table lists strap and warranty card as accessories.

Links

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Product page

www.bose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.html1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026

www.lg.com/ca_en/speakers/xboom/grab11Maker product pagelg.com/ca_en/speakers/xboom/grabRead 15 October 2026Maker's Canada page, the one the speaker data was read from. The LG US page returned a block to the fetch.

Spec sheet

support.bose.com/s/article/product-specifications-bose-soundlink-flex-portable-speaker-2nd-gen2Maker product pagesupport.bose.com/s/article/product-specifications-bose-soundlink-flex-portable-speaker-2nd-genRead 8 October 2026Exact second-generation manufacturer support specification page. SE microphone exception explicitly identified. Non-SE reference model.

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Manual

assets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdf3Owner's manualassets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdfRead 8 October 2026

gscs-manual.lge.com/PNZ/GRABCUSARev03/English/content1.html2Owner's manualgscs-manual.lge.com/PNZ/GRABCUSARev03/English/content1.htmlRead 15 October 2026Official LG xboom Grab online owner's manual, Rev03.

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.

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Warranty

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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.

1year1Maker product pagebose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.htmlRead 8 October 2026US maker page: included one-year Bose limited warranty. BoseCare paid extensions are excluded.

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Both are also in the API. Back to all wireless speakers.