1.Bluetooth Specification 2.1 ( class 2 ) + EDR

2.Device will be auto-power off after 5 minutes in standby mode

3.Built-in retractable Li-Ion Battery (DC 5V)

Support Profiles :
Advanced Audio Distribution Profile ( A2DP)
Audio Video Remote Control Profile (AVRCP)
Hands Free Profile ( HFP V1.5 )
Headset Profile (HSP)

Working distance :
Up to 10m ( in open space )

Operating time :
Normal 3 hours (middle volume 4 hous )

Standby Time (Pairing with mobile phones) :
160 hours

Item Dimension (L"xW"xH"):
1.6 x 7.1 x 4.7

Weight:
0.32 lb

Warranty Information:
1 Year