Specification :

Bluetooth Version: V1. 2 / Class II
Interface: USB V1. 1
Working distance: 0-20 meters
Frequency band: 2. 40Zhz ~ 2. 48Ghz ISM band
Data Rate: 1 Mbps
Input power 5V from USB port
Works with bluetooth enabled device
LED indicator: single LED
Size: 72 x 32 x 10mm
Certificate: CE / RoHS
Packing: 150pcs / CTN / 46 x 30 x 37. 5cm / 9. 2kgs