Standard : bluetooth v2.0 compliant
2  Profile Supported: Headset &Handsfree,A2DP&AVRCP
3  Frequency: 2.4 GHz～2.483GHz ISM Band
4  Output Power: -6～4dBm
5  Transmit Mode: GFSK
6   Range: Over 10 meters
7   Charging: USB 5V
8   Charging time: around 3 hours
9   Talk time: 5 hours
10  Stand by time: up to 150 hours
11   Weight:15g
12   5 key standard  Bluetooth Stereo Headset
13   Pairing passkey or PIN: 0000