1)Frequency range: 2.4GHz-2.48GHz

2)Bluetooth version: Class 2

3)Operating distance: 10M

4)Operating voltage: 3.6V

5)Operating current: <=35Ma

6)Standby current: <=2 Ma

7)Headset size: 16*16*64.5mm
Colors Available: Black
Type of Packing: Crystal Box
Package Includes: Travel Charger, Earphone
Packing Information: Q'ty/Carton: 30 PCS
Carton G. W: 6.1 kgs
Carton Size (L * W * H): 48 cm * 30 cm * 20 cm