Bluetooth 5.2 Car Receiver TV Computer Transmitter 1. Bluetooth compatible version: BT5.2 2. Battery capacity: 120mAh 3. Working range: about 10m (without obstacles) 4. Charging time: about 2.5 hours 5. Use: 5 hours (music and calls) 6. Standby: about 100 hours 7. Compatible with Bluetooth 5.2 receiver, with lossless sound quality, hands-free calling, plug and play, AUX interface 8. Connected to the 3.5mm port, speakers without Bluetooth compatibility can also play wirelessly 9. Bluetooth Compatible Transmitter Mode-TX: Convert wired to Bluetooth compatible signals and transmit them to Bluetooth compatible devices for output 10. Bluetooth Compatible Receiver Mode-RX: Receive Bluetooth Compatible Signals and transmit to Wired via Bluetooth Compatible Connection 11. Connect the Bluetooth compatible connector to the car AUX interface through an adapter, and connect the Bluetooth compatible connector to the car stereo, not only to make calls, but also to listen to dynamic music, making your journey no longer lonely 12. Lossless sound quality CD-level enjoyment: High resolution restores lossless sound quality, bringing CD-level music experience. Just one key, you can listen to music on your phone 13. Receiver RX Mode with Microphone-Hands-Free Calling-(Transmitter TX Mode does not support Mic) 14. Receiver mode is suitable for: car kitwired speakerhome speakerspeaker amplifierheadphone 15. Transmitter mode is suitable for: TVComputerProjectorAmplifierTV BoxBluetooth Compatible EarphoneEarphoneBluetooth Compatible Speaker 16. Product weight: 12 grams 17. Product size: about 99x20x12 mm3.9x0.79x0.47 inches