Specification
| Bluetooth solution: | BK3266 |
| Bluetooth version: | V5.0 |
| Bluetooth protocol: | AVRCP, HSP, HFP, A2DP |
| Bluetooth Distance: | 10M |
| ANC frequency: | 20~800Hz |
| ANC noise cancellation: | 20 ± 2db |
| Operating frequency: | 2.402~2.480GHz |
| Battery specification: | 3.7V/400mAh |
| Charging voltage: | 5V/1A |
| Charging time: | about 2h |
| Bluetooth duration: | about 20h |
| Bluetooth + noise cancellation duration: | about 10h |
| Noise cancellation duration: | about 40h |
| Accessory: | charging cable, 3.5mm Aux cable |
| Color: | black, white, red |
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