Chipset: Realtek RTL8761BW
Bluetooth version: BluetoothV5.3+EDR V2.1/2.0/3.0
Interface: USB 2.0
Frequency range: 2400-2480GHz
Transmission speed: 3Mbps
Supports protocols: HFP 1.7, HSP 1.2, A2DP 1.3, AVRCP 1.6, SPP 1.2 and PBAP 1.0
Distance: 0-20m
Supported OS: Windows 7/8/10/11. Does not support macOS, TV and Car multimedia systems
Product size: 21x16x5 mm