ePTFE membrane has waterproof, breathable, and sound-permeable properties. The water-pressure-resistant sound-permeable membrane products developed by the company using these characteristics have ...
Model#R908 Mono Bluetooth Headset Mode:A2DP/AVRCP/HFP Chipset: AB5616A3 V5.2 Frequency: 2.4GHz Transimit Power: Class 2 Music Time: 6.5H Talking Time: 4.5H Standby Time: 40H Charging Time:2H Model...