Bose SoundLink Flex Portable Speaker (2nd Gen), Bluetooth, Fog Grey

Grey: The Bose SoundLink Flex 2nd Gen is a compact Bluetooth speaker with a carry loop and a listing-claimed battery life of up to 12 hours. Its IP67 rating, orientation-aware audio adjustment and pairing options make it suited to portable listening, though battery life is stated to fall to up to 3 hours at maximum volume.

At a glance

The built-in utility loop is intended for carrying or attaching the speaker to a bag.
PositionIQ is claimed to adjust sound based on speaker orientation.
The listing says two compatible Bose speakers can be linked in Stereo Mode or Party Mode.
Bluetooth multipoint is claimed for pairing with multiple devices.

Price

€99.95Save 27%

Reference price: ~~€136.06~~

Price checked: 13 Nov 2026

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Often bought together

co2CREA Hard Travel Case for Bose SoundLink Flex (2nd Gen) /Flex Portable Bluetooth Speaker,Case Only

€23.21

Pros and cons

Pros

Compact format with a built-in utility loop for portable use.
The listing claims IP67 protection and a silicone-wrapped body.
Two compatible Bose speakers can be linked for Stereo Mode or Party Mode, according to the listing.

Cons

At maximum volume, the stated battery life is up to 3 hours, substantially shorter than the typical-level claim.

Technical specifications

25 specifications

Identity
Brand	Bose
Model	Bose SoundLink Flex Portable Speaker (2nd Gen)
Colour	Fog Grey

Connectivity and controls
Wireless connection listed	Bluetooth
Control methods listed	App, Push Button
Bluetooth version and claimed range	Bluetooth 5.3, up to 9 metres

Audio
Audio output mode	Stereo
Audio channels	2.0
Frequency response	20000 Hz
Driver type	Dynamic Driver

Power and battery
Power configuration	Battery Powered
Battery life listed	12 Hours
Battery life at typical listening levels	up to 12 hours of play time
Battery life at maximum volume	up to 3 hours of play time

Dimensions and installation
Mounting type	loop mount
Dimensions (D × W × H)	9D x 20.1W x 5.2H centimetres
Weight	0.59 Kilograms

Materials and protection
Water resistance listed	Waterproof
Protection rating claimed in feature text	IP67 rated
Material listed	Plastic

Other listed details
Input voltage	12 Volts (DC)
USB 2.0 ports	1
Compatible devices	Various Bluetooth-enabled devices
Warranty description	2 Year Manufacturer
EU spare part availability duration	7 Years

What to know before buying

Listing details to confirm

Battery life is stated as up to 12 hours at typical listening levels but up to 3 hours at maximum volume. The title and details also differ on connection range, listing up to 9 metres in feature text and 10 Meters in the technical details. Treat these as listing claims rather than verified performance.

Who is it for?

A good fit for

Listeners wanting a compact Bluetooth speaker for travel, outdoor use or carrying on a bag.
Buyers who may use the speaker in different orientations or pair two compatible Bose speakers.

Less suited to

Listeners who need the stated battery life to hold at maximum volume.
Buyers seeking a confirmed connection range without variation between listing details.

Bose SoundLink Flex Portable Speaker (2nd Gen), Bluetooth, Fog Grey · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 12,602 ratings

5 stars85%85%
4 stars8%8%
3 stars3%3%
2 stars1%1%
1 star3%3%

Customer feedback highlights sound quality, bass, volume, compact size, ease of use and Bluetooth connectivity. Battery-life experiences are mixed, as are reports about reliability, including reports of units stopping working. The positive sound and portability comments may matter for travel and casual listening, while the mixed battery feedback is relevant given the listing's shorter maximum-volume claim. Aggregate ratings are mostly five-star, but ratings alone do not establish why customers rated the speaker as they did.