1. Product model: BTA-608
2. Chip: RTL8761B
3.Material: plastic.
4. Function: Bluetooth Expansion
5.Bluetooth version: 5.0+BR/EDR
6. Transmission rate: 5Mbps
7. Transmission range: 20m without obstacles.
8. Dimensions: 24.6*16.2*7mm
9. Support system: Windows 7/8/10