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 hindrance
8. Dimensions: 24.6*16.2*7mm
9. Support System: Windows 7/8/10