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Anc Active Noise Cancelling Wireless Headphones Bluetooth 4.1 Headphones Noise Cancelling Sports Headphones
Specifications:
- Working time: 10 hours
- Speaker driver: 40mm diameter
- Sensitivity: 101dB±3dB
- Origin: CN(Origin)
- Noise reduction range: 18db 50500Hz
- Impedance: 32 ohm
- Dental version: CSR 4.1
- Certification: NONE
- Brand Name: HXSJ
- Bluetooth range: HSP, HFP, A2DP and
- Battery: 250mAh
- Free shipping
- 100 days returns
- Low prices
- 5 million products