USB Bluetooth Adapter 5.0PC Computer Wireless Audio Receive Transmitter, Color: Black

1. Chip: RTL8761B2. Interface: USB2.03. Bluetooth version: 5.04. Transmission frequency: 2.403-2.480GHZ5. Transfer rate: up to 3MBPS6. Transmission distance: about 10-20M without obstruction7. Support system: WIN7/8/8/8.1/108. Features: wide compatibility, long transmission distance, stable connection, need to install the driver to use9. Weight: about 18g/piece10. Size: about 29×15.4×6.2mm