PRICE:1800TK
EMAX RB-S20 Neckband Sports Bluetooth Earphone Wireless Stereo Hanging In-ear Headphone .
Bluetooth version: V4.2
- Transmission Distance: 10M
- Frequency band:20-20Khz
- Output Sensitivity:86±3dB
- Microphone Sensitivity: 42±3dB
- Battery Capacity: 65mAh
- Impedance: 16Ω
- Rated Power:3mW
- Drive Unit: 10mm
- Play time: 3.5 Hours
- Standby time: 60 Hours
- Charging Time: 1 Hours
- Net Weight: 20.4g
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