  |  |  | |
| Available colors | |||
| Editiorial reviews | |||
| User rating |
| Sound output | Mono | Mono | Mono |
|---|---|---|---|
| Style | In-Ear | In-Ear | In-Ear |
| Connectivity technology | Wireless | Wireless | Wireless |
| Headset (integrated/enclosed microphone) | yes | yes | N/A |
| Colour of product | Black |
| Black |
|---|---|---|---|
| Body material |
|
| N/A |
| Width | 0.65 in | 0.77 in | 0.64 in |
|---|---|---|---|
| Depth | 1.85 in | 1.91 in | 2.14 in |
| Height | 0.81 in | 0.98 in | 1.0 in |
| Weight | 0.29 oz | 0.36 oz | 0.34 oz |
| Impedance | 32.0 Ω | 16.0 Ω | N/A |
|---|---|---|---|
| Frequency range | 300 - 7000 | 300 - 4000 | N/A |
| Driver size | 0.43 in | 0.35 in | 0.51 in |
| Sensitivity | N/A | < 89 | N/A |
| Maximum input power | N/A | 20.0 mW | N/A |
| Microphone type | Built-in microphone | Built-in microphone | Built-in microphone |
|---|---|---|---|
| Microphone frequency | 100 - 8000 | 100 - 8000 | 100 - 8000 |
| Microphone direction type | Omnidirectional | Omnidirectional | Omnidirectional |
| Microphone sensitivity | N/A | -44.0 dB | N/A |
| Bluetooth version | 4.0 | 3.0 | 2.1 |
|---|---|---|---|
| Bluetooth profile |
|
| HFP |
| Wireless connection | Bluetooth | Bluetooth | N/A |
| Wireless range | 30 | 10 | 10 |
| USB | yes | yes | yes |
| Type of USB connector | Micro-USB | Micro-USB | Micro-USB |
| Battery operated | yes | yes | yes |
|---|---|---|---|
| Battery recharge time | 2.0 h | 2.0 h | 2.0 h |
| Battery life | 8.0 h | 6.0 h | 11.0 h |
| Standby time | 240.0 h | 216.0 h | 240.0 h |
| Talk time | 8.0 h | 6.0 h | 11.0 h |
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