Standard: Bluetooth 1.1Compliant Output: Class 2 Frequency Band: 2.4000~2.4835GHz Talking/Stand-by time: 4.5hours/160hours Safe mechanism: Pairing, Encryption, Authentication FHSS(Frequency Hopping Spread Spectrum): GFSK,BT=0.28~0.35 Physical Links Support of ACL and SCO link Range: 10 meters Function: receive/dial/end/voice-dial/re-dial/volume?s control Support: Profile Headset Profile/Hands-free profile Power Supplying: standby time: 0.03W Model: 0.2W Power Consumption: 1.8V (working)/ 5V (charging) Charging: DC5V0.2A, USB Cable (use pc to charging) Battery (Li-polymer): 200mAh Operating Temperature: -10to50* Humidity: 10to90% Inclusive System: Panasonic;X70 Motorola;V600.A-760 Simens:S55,SX1 Sharp:GX-15,GX-31 NOKIA Series: N8910,N8910i, N3650,6310,6310i,N6600,N-GAGE,N7650,6230 SonyEricsson: T68,T68i,T39,T610,T630,Z600,P800,P900,K700i Certification Approval: BQB, FCC, Class B, CE, DGT