1. The Bluetooth receiver inserts the computer interface to bright blue light in the search
2. Open blue Bluetooth device(Bluetooth headset or Bluetooth audio), after receiving often bright blue light
3. Bluetooth version: 4.2
4. Operation range: up to 10m
5. Compliant with Windows XP / Vista / 7 / 8 / 10
6. Support Apple Mac OS system
7. Product material: ABS
8. Product size: 60.8mm x 23.8mm x 13.1mm