1. Bluetooth version: 5.0
2. Function: Bluetooth audio receiving and transmitting combo, support hands-free call, LCD screen display
3. Built-in noise reduction HIFI sound quality
4. Transmission signal distance: 10m
5. Fully compatible with automatic matching
6. Input interface: 3.5mm
7. Input voltage: DC/5V
8. No need to drive, plug and play
9. Accessories: host *1; 3.5mm audio cable *1; charging cable *1; manual *1