2.56 in 7.09 in  | 3.75 in 4.09 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Ultimate Ears Boom |  Ultimate Ears Wonderboom 2 | |
|---|---|---|
| Channels | 1.0 | 2.0 |
| Low frequency | 90.0 Hz | 75.0 Hz |
| High frequency | 20.0 kHz | 20.0 kHz |
| Number of drivers | 4 | 2 |
| Ultimate Ears Boom | Ultimate Ears Wonderboom 2 | |
|---|---|---|
| Colour of product |
|
|
| Built-in display | yes | no |
| Ultimate Ears Boom | Ultimate Ears Wonderboom 2 | |
|---|---|---|
| Height | 7.09 in | 4.09 in |
| Width | 2.56 in | 3.75 in |
| Depth | 2.56 in | 3.75 in |
| Weight | 18.98 oz | 14.82 oz |
| Ultimate Ears Boom | Ultimate Ears Wonderboom 2 | |
|---|---|---|
| USB | yes | yes |
| Type of USB connector | Micro-USB | Micro-USB |
| AUX in | yes | no |
| Bluetooth | yes | yes |
| Bluetooth profile | A2DP | A2DP |
| Bluetooth wireless range | 49.21 ft | 108.27 ft |
| Wireless network (Wi-Fi) | no | no |
| NFC | yes | no |
| Ultimate Ears Boom | Ultimate Ears Wonderboom 2 | |
|---|---|---|
| Radio receiver | no | no |
| Built-in microphone | yes | no |
| Ultimate Ears Boom | Ultimate Ears Wonderboom 2 | |
|---|---|---|
| Battery type | Li-Ion | Li-Ion |
| Playback time | 15.0 h | 13.0 h |
| Battery life (max) | 15.0 h | 13.0 h |
| Pros | ||
|---|---|---|
| Cons |
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