Cell Phone PDA Black Mouse Stereo Necklace bluetooth Headset with Microphone

Specification:bluetooth version: v 2.0Profiles: handsfree, HeadsetClass: 2Operation range: 10MOperating voltage: 3.6VOperating current: less than or equal to35 mAStandby current: less than or equal to2 mACharging time: 3-4 hoursTalk time: 6 hoursStandby time: 100 hoursCompatibility/pairing: all bluetooth devices V2.0 and underBlack bluetooth Headset with built in li-ion battery as power source.Pendant size of the Stereo bluetooth Headset: 4.3 x 4 x 2.9cmEarphone cable length: 60cm long approx.Weight: 108gOther features:Necklace designHigh quality earphonesMouse Cell Phone bluetooth Headset compatible with all mobile phone, PDAs, computers, Mp3, Mp4, iPod, and other multimedia players which has bluetooth function.Answer/End/Redial callVolume controlMicrophoneStatus indicatorPackage contents:1 x Necklace bluetooth Headset1 x Power adapter(100-240V)1 x Manual