1. Function: bluetooth audio receiving and transmitting combo
2. Built-in noise reduction HIFI sound quality
3. Transmission signal distance: 15m
4. Fully compatible with automatic matching
5. Launch mode: support one for two
6. Built-in lithium battery: 300ma
7. Working hours: about 6H
8. Input interface: 3.5mm
9. Input voltage: DC/5V
10. No need to drive, plug and play
11. Bluetooth version: 5.0
12. Size: 65.9x47.9x13.3mm
13. Packing list: host *1; 3.5mm audio cable *1; charging cable *1; manual *1