Product Specification:
- Support Protocol: A2DP, HFP, SPP, HID, PBAP
- Bluetooth Range: ≥15m
- Battery Capacity: 40mAh
- Charging Box Battery Capacity: 300mAh
- Charging Time: About 1 hour
- Call Playing Time: About 5 hours
- Speaker Size: 14mm
- MIC Sensitivity: -42dB ± 3dB
- Frequency Response: 20Hz - 20KHz
- Impedance: 32Ω
- Sensitivity: 108 ± 3dB
- Charging Specification: 5V/1A
- Operating Voltage: 3.7V - 4.2V
