Colour: Black Bluetooth Standard: Bluetooth V4.0 Bluetooth Transmission Distance: Up to 10 meters Function: MP3, FM, Speakerphone, Microphone, Handsfree Model: BCS20 Microphone Sensitivity: 49d B Input Voltage: 5 V Working Temperature: -30-60 ? Type: Bluetooth Car Handsfree RF Frequency Range: 2.402 -2.480 GHz Modulation Method: GFSK Working Voltage: 3.0 -4.2 V THD: Working Time: 12 hrs
Material: ABS