Function: Support hand-free calling, built-in microphone. Noise cancellation by CVC. Play mobile music with high quality once connecting by bluetooth. Auto pairing once turn it on. Can Charge the device in car. Features:Bluetooth Bluetooth version: V3.0+EDR Sensitivity: -42db + /3db 360 Bluetooth Frequency: 20 h ~ 20 KHZ Effective Range: 5m Voltage: 5V+/-0.5FM FM:87.5-108.0MHz Transmitter power: 8.7 dBuv/ 107 dBuv Effective Range: 2m
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