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The short answer
Bose SoundLink Flex Portable Speaker (2nd Gen) wins this comparison. Choose it if you want less weight in your bag. Bose SoundLink Flex Portable Speaker (2nd Gen) weighs 1.3 lb versus 2.12 lb — 13.05 oz less to carry. Its recorded reference price is $100.99 lower.
Bose
A compact speaker that floats and adjusts its sound when you change its position. IP67 protection and a built-in microphone suit outdoor listening and hands-free calls.
Bettr Score
82/100
Ultimate Ears
360° sound for picnics and pool days, with a floating body and included carabiner. The app offers EQ controls, while Outdoor Boost adds a dedicated mode for listening outside.
Bettr Score
52/100
| Bose SoundLink Flex Portable Speaker (2nd Gen) | Specification | Ultimate Ears EVERBOOM |
|---|---|---|
$149 ✓ Winner | Reference price | $249.99 |
12 hours | Advertised battery life | 20 hours ✓ Winner |
1.3 lb ✓ Winner | Weight | 2.12 lb |
IP67 | Ingress protectionTie | IP67 |
4 | Durability tierTie | 4 |
5.3 | Bluetooth versionPersonal preference | 5.2 |
No | Can charge another deviceTie | No |
No | USB audio inputTie | No |
No | Auracast or compatible broadcast pairingTie | No |
Yes | Floats in waterTie | Yes |
Yes ✓ Winner | Speakerphone | No |
The buying advice
Choose Bose SoundLink Flex Portable Speaker (2nd Gen) if you want less weight in your bag. Bose SoundLink Flex Portable Speaker (2nd Gen) weighs 1.3 lb versus 2.12 lb — 13.05 oz less to carry.
Choose Ultimate Ears EVERBOOM if a longer advertised playtime matters. Ultimate Ears EVERBOOM advertises up to 20 hours, versus up to 12 hours for Bose SoundLink Flex Portable Speaker (2nd Gen).
Bose SoundLink Flex Portable Speaker (2nd Gen) weighs 1.3 lb versus 2.12 lb — 13.05 oz less to carry. Ultimate Ears EVERBOOM advertises up to 20 hours, versus up to 12 hours for Bose SoundLink Flex Portable Speaker (2nd Gen). The recorded reference-price difference is $100.99.
Bose SoundLink Flex Portable Speaker (2nd Gen) weighs 1.3 lb versus 2.12 lb — 13.05 oz less to carry.
Ultimate Ears EVERBOOM advertises up to 20 hours, versus up to 12 hours for Bose SoundLink Flex Portable Speaker (2nd Gen).
Bose SoundLink Flex Portable Speaker (2nd Gen) has the lower recorded reference price: $149.00 versus $249.99, a $100.99 difference.
Bose SoundLink Flex Portable Speaker (2nd Gen) supports speakerphone calls; the other speaker’s verified specification says it does not.
People's Pick
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eBay — New
In stock · checked Oct 30, 2026
Price needs rechecking. Confirm at the retailer.
$94.99
Item price · shipping unknown
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eBay — New
In stock · checked Oct 30, 2026
Price needs rechecking. Confirm at the retailer.
$160.99
Item + shipping · before tax
$160.99 + $0.00 shipping
We may earn a commission when you buy through links marked “Affiliate link.” This does not change your price or our scores. How we earn
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