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The short answer
Bose SoundLink Max Portable Speaker wins this comparison. Choose it if you want the speaker to charge another device. Bose SoundLink Max Portable Speaker can charge another device from its battery; the other speaker’s verified specification says it cannot. Charging a phone uses some of the speaker’s battery.
Bose
Stereo sound, a rope carry handle and phone charging make this a practical backyard speaker. It offers up to 20 hours of playtime, with 4.7 lb to carry.
Bettr Score
91.6/100
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 Max Portable Speaker | Specification | Ultimate Ears EVERBOOM |
|---|---|---|
$399 | Reference price | $249.99 ✓ Winner |
20 hours | Advertised battery lifeTie | 20 hours |
4.7 lb | Weight | 2.12 lb ✓ Winner |
IP67 | Ingress protectionTie | IP67 |
4 | Durability tierTie | 4 |
5.3 | Bluetooth versionPersonal preference | 5.2 |
Yes ✓ Winner | Can charge another device | No |
No | USB audio inputTie | No |
No | Auracast or compatible broadcast pairingTie | No |
No | Floats in water | Yes ✓ Winner |
No | SpeakerphoneTie | No |
The buying advice
Choose Bose SoundLink Max Portable Speaker if you want the speaker to charge another device. Bose SoundLink Max Portable Speaker can charge another device from its battery; the other speaker’s verified specification says it cannot. Charging a phone uses some of the speaker’s battery.
Choose Ultimate Ears EVERBOOM if you want less weight in your bag. Ultimate Ears EVERBOOM weighs 2.12 lb versus 4.7 lb — 2.58 lb less to carry.
Bose SoundLink Max Portable Speaker can charge another device from its battery; the other speaker’s verified specification says it cannot. Charging a phone uses some of the speaker’s battery. Ultimate Ears EVERBOOM weighs 2.12 lb versus 4.7 lb — 2.58 lb less to carry. The recorded reference-price difference is $149.01.
Bose SoundLink Max Portable Speaker can charge another device from its battery; the other speaker’s verified specification says it cannot. Charging a phone uses some of the speaker’s battery.
Ultimate Ears EVERBOOM weighs 2.12 lb versus 4.7 lb — 2.58 lb less to carry.
Ultimate Ears EVERBOOM is specified to float; the other speaker is specified not to. Follow the manufacturer’s water-use instructions.
Ultimate Ears EVERBOOM has the lower recorded reference price: $249.99 versus $399.00, a $149.01 difference.
People's Pick
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eBay — New
In stock · checked Oct 30, 2026
Price needs rechecking. Confirm at the retailer.
$315.00
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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