Specification:
- Product Model: TWS-21
- Wireless Version: V5.0
- Transmission Distance: 10m
- Frequency Response: 20-20000Hz
- Impedance: 32+15%
- Rated Power: 2mW
- Drive Unites: 08mm
- Battery Capacity: 40mAh
- Input: 5V-100mA
- Playtime: 4H
- Standby Time: 90H
- Charging Time: 1.5H
- Weight: 16g
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