Small size and powerful function: wireless Bluetooth listening to music, file transfer, connecting Bluetooth keyboard and mouse, etc. (does not support iOS mobile phone to transfer files)
Dual mode transmission, low power consumption, high sound quality
Comply with Bluetooth 5.0 specification
Specification:
Chip: RTL8761B
Product size: 14x6x22mm
Bluetooth version: 5.0
Frequency range: 2.4GH(2402-2480MHz)
Transmission distance: 0~20m
Rated voltage: DC 5V
Interface type: USB
Operating system: Win7, Win8, Win8.1, Win10