Product Description| Model Number: | B2 |
| Chipset | BT8812 |
| Wireless Frequency | 2.402-2.480 GHz |
| Protocol Support | HSP/ HFP/ A2DP/ AVRCP/BLE |
| Working Distance | ≤ 10 M ( 25 feet) |
| SNR | 90 dB |
| Response frequency | 80- 5000 Hz |
| Transducer | 18.8Omega ± 15% , 90± 3 dB, 300 mW |
| Microphone | -42 ± 3 dB |
| Charging standard | Micro USB, DC 5V / 0.5-1 A |
| Battery | 3.7V lithium Ion battery , 180 mAh |
| Working hours | U p to 5 hours |









