Universal Hands-free Call Converter Support Tf Card Portable Bluetooth-compatible Receiver Multinational Gr07 Bluetooth Receiver Description: Bluetooth version: 5.3 Frequency range: 2.4GHz Output power category: Class2 Bluetooth mode: HFP/HSPIA2DPIAVRCP Bluetooth range: 10m Battery: 280mAh Operating current: 15~20mA charging Voltage: DC 5.0V Charging current: 150mA Specifications: 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 Included: 1. host 2. Instruction manual 3. audio cable 4. 3.5mm adapter 5. Type-C charging cable