RPMSD v4.0 Car Bluetooth Device with Audio Receiver (Black)

Bluetooth v4.0, Class 2Support A2DP V1.2 (built in Mic)Powered by USB 5V DCTransmission Rate:3(Mbps)Built-in microphoneTransmission distances of up to 10MSupport A2DP stereo3.5mm stereo inlet socketSleep mode for energy savingSupport Bluetooth hands-free functionUp to 8 hours music playback or continuousWireless music receiver connects to 3.5mm headphone jacksUse with home stereos/speakers, car stereos,headphones .How to Use:1.Power on/offPower on: Press and hold the ON/OFF button for 5-7 seconds until you hear a ready for connecting or a sound, it will auto connect the phone which was paired.Power off: Press and hold the ON/OFF button for 4-5 seconds until you hear a Long be or red led.2.Connect the receiver to your speakersWith 3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable to connect the speakers and the receiver (if no sound, Please make sure it was inserted completely).3.Pairing(1) Ensure the speakerphone is under OFF mode(2) Pairing: Press and hold the ON/OFF button for 7 seconds until you hear Ready for connecting or a sound (when you holding the button until you hear the voice report Ready for connecting). The LED indicator will flash between red and blue alternately. It is now ready for pairing.(3) Activate your mobile phone's Bluetooth function and search for available Bluetooth devices by referring to your mobile phone user manual for details.(4) Selet from the list.(5) When paring is completed, the voice report connected or short bebe The LED indicator will flash Blue alternately.Compatible With :all bluetooth devices Laptop and PC with bluetooth 2.1 and aboveFor all other Android 2.1 (and above) devices with BluetoothSmart-phone with Bluetooth 2.1 & above