Wireless Audio Receiver Adapter 3.5MM Aux Music Receiver TF Card MP3 Player Car Bluetooth 5.3 Handsfree Adapter Car Accessories Product Parameters: BT Version: 5.3 Frequency Range: 2.4GHz Output Power Category: Class2 Bluetooth Mode: HFP/HSPIA2DPIAVRCP Bluetooth Range: up to 10m Battery: 280mAh Working Current: 15~20mA Charge Voltage: DC 5.0V Charge Current: 150mA 1. Pair with mobile phone/MP3/tablet, etc. and turn your old car stereo/home stereo/ 3.5mm wired headphones into wireless. 2. Support TF card to play MP3/WMA format music. 3. Build-in Type-C charging port. 4. Build-in microphone, supports wireless hands-free calls for safe phone calls. 5. The latest noise cancellation technology provides excellent call quality. 6. The build-in battery has a long battery life up to 12 hours. 7. Compatible with ios and Android devices 8. Build-in colorful atmosphere breathing light, can adjust different color. Package Includes: 1* Car handfree Receiver 1* Aux audio cable 1* 3.5mm male to male connector 1* USB charging cable 1* User Manual (No retail package)