Ultimate Ears WONDERBOOM 4, tested and verified by Canordi. 360° sound in a 420g sphere, 14-hour battery life, IP67 certified — it floats —, Outdoor Boost mode and carrying loop. Indestructible, literally designed to be dropped.
What we verify on every speaker
- Serial number verified — no lost/stolen reports
- Full audio test: drivers and absence of distortion at high volume
- Battery life measured (see grade)
- Bluetooth, stereo pairing and Outdoor Boost mode tested
- Buttons, indicator lights and charging port tested
- Float test and IP67 waterproofing verified
- Firmware updated, fabric and loop cleaned
Condition
- New — sealed, never opened, manufacturer warranty
- Grade A — open box, like new, pristine fabric, battery ≥ 90%
- Grade B — open box, very good condition, light signs of use, battery ≥ 85%
30-day free returns. 3-month Canordi hardware warranty on Grade A and Grade B items; new items are covered by the manufacturer's warranty. Support in French by our team.
