Bose SoundLink Flex (2nd Gen): full spec sheet and buying guide

Updated September 29, 2026 · Category: Audio · Content based on official specifications and public Amazon buyer ratings, not a hands-on test.

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The Bose SoundLink Flex (2nd Gen) is a rugged, mid-size portable speaker known for balanced sound and a silicone body built to take drops. At the time of writing it holds a 4.7/5 average from more than 13,268 Amazon ratings.

★ 4.7/5 on Amazon

Clear, balanced Bose sound, IP67 and drop-resistant, PositionIQ auto-tuning and 12 hours of battery.

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Ratings and prices are as shown on Amazon at the time this article was published and may have changed. Affiliate disclosure.

Sound and PositionIQ

Bose describes clear, balanced high-fidelity audio with deep bass for its size. PositionIQ senses whether the speaker is standing, lying down or hanging and adjusts the sound automatically. Pair two compatible Bose speakers in Stereo Mode or Party Mode.

Durability and battery

It's rated IP67 for water and dust, with a silicone-wrapped body to resist drops, shocks and rust. A utility loop lets you clip it to a bag, and battery life is up to 12 hours.

Strengths based on its spec sheet

Balanced sound praised by buyers (4.7 rating)
IP67 and shock resistant
PositionIQ adjusts to orientation
Stereo and Party modes with other Bose speakers

What to consider before buying

12 hours of battery is shorter than the JBL Charge 6
Premium price for its size
No power bank feature listed

Want to compare this model with other audio options? Check out our audio buying guide.

Who is it ideal for?

People who value natural, balanced sound in a tough speaker for travel, hikes and the pool.

Who is it NOT the best option for?

If you need all-day battery or more volume, compare with the JBL Charge 6 or Soundcore Boom 2 in our audio buying guide.

Frequently asked questions

Is the Bose SoundLink Flex 2 waterproof?

Yes, it's rated IP67 for water and dust.

How long does the battery last?

Up to 12 hours, according to Bose.

What is PositionIQ?

A feature that senses the speaker's orientation and adjusts the sound automatically.

Is the Bose SoundLink Flex (2nd Gen) the right fit for you?

See current price on Amazon