ITEM NAME:Bluetooth V5.0+EDR Audio Receiver Handsfree Car Kit 3.5mm AUX Music Adapter Product Description Description: Bluetooth 5.0 + EDR Audio Receiver with Mic Handsfree Car Kit 3.5mm AUX Jack Music Adapter for Speaker Vehicle Feature: 1. Bluetooth V5.0+EDR, the farthest transmission distance is 10m 2. Support Bluetooth hands-free call function 3. Support Bluetooth A2DP stereo 4. Red light charging mode, full charge blue light 5. 3.5mm stereo input jack 6. Sleep mode, energy saving Specification: Frequency: 2.4GHz Power supply: mini USB cable Working time: 2-3 hours Instruction: Charging: 1. Use one end of the provided USB cable to connect to the mini-USB input port of this Bluetooth music receiver 2. Connect the other end of the USB cable to your computer, notebook or USB power converter. At this time, the LED light of the Bluetooth music receiver turns red, indicating that it is charging. 3. When the charging is over, the red LED light will go out, and it can provide up to 8 hours of playing time when fully charged Pairing: 1. Enter the pairing mode, press and hold the switch button for 5 seconds until the red and blue LED lights flash at the same time 2. Find the Bluetooth music receiver on your mobile phone or related transmitter 3. At this time, the device is paired and connected. After the connection is successful, the LED light of the Bluetooth music receiver turns blue and flashes slowly 4. For some devices that require a pairing password, please enter "0000" 5. Once the pairing is successful, the device can be.Bluetooth V5.0+EDR, the farthest transmission distance is 10m. Connect the other end of the USB cable to your computer, notebook or USB power converter. Use one end of the provided USB cable to connect to the mini-USB input port of this Bluetooth music receiver.