Description:Bluetooth headsets enable you to connect with Bluetooth cellular phones and other Bluetooth-functioned devices wirelessly, and then free your hands. We are one of the leading manufacturers of Bluetooth products in China mainland and we are serving many big brands like BenQ, so we are confident to satisfy you.Features: 1) Fashionable appearance, exclusive style. No similar one on the market2) It is the smallest type among the "collar-clip" style3) Adopting CSR chipset of V2.0, monophonic output4) MFB on the earphone, operation very conveniently5) Light Weight: suitable for carrying in pocket or on collar6) Four colors: black, blue, orange, red or depends on your choiceSpecifications:1) These are a few main figures. For more, please contact us2) Standard: Bluetooth V2.03) Dimensions: 48mm (L) x 21mm (W) x 20mm (H)4) Weight: 16g5) Range: 10m6) Battery: rechargeable Li-ion 120mAh 7) RF power: class 28) Frequency: 2.402GHz-2.480GHz9) Talk time: 4hr10) Standby time: 200hrs producing area:China payment:T/T