PDA Cell Phone Black Necklace bluetooth Stereo Headset with Clip (U8)

Specification:bluetooth version: v 2.0Profiles: handsfree, Headset, AVRCP and A2DPClass: 2Operation range: 10MFrequency range: 2.4-2.48 GhzSpeaker output: < 90dbTalk time: about 4 hoursMusic playing time: about 4 hoursStandby time: 100 hoursThis Black bluetooth Headset with built in li-ion battery as power source.Size of the Clip bluetooth Headset: ~3.7(L) x 2.4(W) x 1.1(D)cmWeight: 104gOther features:High quality earphones with necklack and clip design for convenience to use!Small and stylish bluetooth headset.Necklace bluetooth Headset compatible with all mobile phone, PDAs, computers, Mp3, Mp4, iPod, and other multimedia players which has bluetooth function.Answer/End call key, Previous key, Next key, Volume+ key and Volume- Key.Indicator light.Package contents:1 x bluetooth Stereo Headset1 x Power Adapter(100-240V)1 x Necklace Earphone1 x Earphone with Clip1 x USB Cable1 x Manual