1. Bluetooth version: V5.0.
2. Power input: DC 5V.
3. Power supply capacity: 3.7V/35mAh.
4. Working time: 45 hours.
5. Charging time: 40-50 minutes.
6. Supporting protocols: HFP1.7, HSP1.2, A2DP13, AVRCP1.6, SPP1.2, PBAP1.0.
7. Sensitivity: 120 +/- 3 dB.
8. Frequency response: 20-20000Hz.
9. Impedance: 32 ohms.
Specification:
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