5.31 in 5.89 in  | 3.68 in 4.02 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Ultimate Ears Roll 2 |  Ultimate Ears Wonderboom | |
|---|---|---|
| Channels | 1.0 | 2.0 |
| Low frequency | 108.0 Hz | 80.0 Hz |
| High frequency | 20.0 kHz | 20.0 kHz |
| Number of drivers | 1 | 2 |
| Ultimate Ears Roll 2 | Ultimate Ears Wonderboom | |
|---|---|---|
| Colour of product |
|
|
| Ultimate Ears Roll 2 | Ultimate Ears Wonderboom | |
|---|---|---|
| Height | 5.89 in | 4.02 in |
| Width | 5.31 in | 3.68 in |
| Depth | 5.31 in | 5.51 in |
| Weight | 11.64 oz | 14.99 oz |
| Ultimate Ears Roll 2 | Ultimate Ears Wonderboom | |
|---|---|---|
| USB | yes | yes |
| USB version | 2.0 | 2.0 |
| Type of USB connector | Micro-USB | Micro-USB |
| AUX in | yes | no |
| Bluetooth | yes | yes |
| Bluetooth codec | SBC | SBC |
| Bluetooth profile | A2DP | A2DP |
| Bluetooth version | 4.1 | 4.1 |
| Bluetooth wireless range | 100.0 ft | 108.27 ft |
| Analogue 3.5mm input (Aux) | 1 | 0 |
| Wireless network (Wi-Fi) | no | no |
| NFC | yes | yes |
| Ultimate Ears Roll 2 | Ultimate Ears Wonderboom | |
|---|---|---|
| Docking station for mobile/Tablet | no | no |
| Radio receiver | no | no |
| Smart speaker (virtual assistant) | no | no |
| IP code (level of dust/water resistance) | IPX7 | IP67 |
| Ultimate Ears Roll 2 | Ultimate Ears Wonderboom | |
|---|---|---|
| Battery operated | yes | yes |
| USB powered | yes | yes |
| Electric (not USB) | no | no |
| Battery type | Li-Ion | Li-polymer |
| Playback time | 9.0 h | 10.0 h |
| Battery life (max) | 9.0 h | 10.0 h |
| Pros | ||
|---|---|---|
| Cons |
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