SIMR ER9 Wireless bluetooth V4.2 Headset FM Transmitter Car MP3 Adapter Car Kit TF SD Card USB Port

SIMR ER9 Wireless bluetooth Headset FM Transmitter Car MP3 Adapter Car Kit TF SD Card USB PortDescription 1 The device can detect batterys voltage2 Support bluetooth headset to answer high definition call3 Support bluetooth hands free calls built in microphone safe answer the phone4 Support cell phone A2DP function connect directly by bluetooth and play high quality mobile music5 Mobile phone can be connected automatically when the device is powered on6 Support USB flash drive to play MP3 WMA format music7 Car charger 5V 3 1A output you can charge for handheld devices 8 bluetooth headset charging function use while charging9 Independent power switch ready to turn off the power do not loss the car batterySpecification bluetooth VersionV4 2Limit Voltage9 26VRated Working Voltage12V 24VSensitivity 42db 3 dbWorking Current45mA max Stand by Current25mA max Frequency2 402 2 480 ghzbluetooth Effective Range10 metersSensitivity 92 dBmRF Output4 dBmFM Frequency87 5MHz 108 0MHzTransmitted Power87dBuv 107dBuvMicrophone Effective Range2 metersPackage Included 1 X SIMR ER9 Car MP3