Clip-on Bluetooth stereo headset,BH-0101307 High quality, smallest design, Clip-on, Wired earpiece, only wear the earpiece whenever it's necessary,avoid long wearing time. (1) CSR Blue Core3 chipset, Bluetooth v1.2, Bluetooth Class 2, 10 meters distance. (2) Talking time hours, Standby time hours. (3) Frequency : 2.4~2.480GHZ. (4) Rechargeable Li-Polymer battery. (5) 3 Buttons: One-touch answer, call end, call rejection, Call inter-changing, Headset <-> Handset . Power ON/Off, Last number redial, Voice dialing function, Volume +/Volume -,Pairing encryption and authentication. Automatic re-connection if Bluetooth link is disrupted. Next song, Previous song. (6) Bluetooth Profile Supported: A2DP (Advanced Audio Distribution Profile) AVRCP (Audio Video Remote Control Profile); HSP (Headset Profile); HFP (Hands-Free Profile) . (7) Music source: Mobile phone, PC or any other music devices that are compliant with the Bluetooth. (8) VoIP/Skype:Very easy and comfortable to chat via the online messenger or IP phone such as Skype,MSN,Yahoo Messenger...etc. (9) LED Indicator Status: Bi-Color LED. (10) Size: mm(L) x mm(W) x mm(H), Weight:g. (11) Accessories: a.Main body + earplug. b.Travel charger (European / American spec) . c. Manual (English & Chinese) (12) Carton: pcs/Carton KG/Carton Carton size: (L) * (W) * (H) CM