Features: Folding structure and easy carrying Smooth and fashionable human engineering neck band realizes safe and cozy wearing Light,comfortable wearing,available in mobility and realizing zero burden Dual-ring stereo track and bring you 100% perfect acoustic experience Wireless connecting cell phone,computer,online voice and PS3,etc. and offering smooth communication Specifications: Correspond With: V2.1+EDR Support:HSP, HFP, A2DP, AVRCP Frequency range: 2.4026GHz-2.480GHz Transmitting power: class2 Working Distance Range:10m Change Time: ≤3 Hours Talk Time: ≥12 Hours Music Time: ≥10 Hours Standby Time: ≥110 Hours Weight: 38g Product size: 54 x 47 x 16mm Color: white & green Package size: 14.5 x 14.5 x 5cm Package contains: 1 x Bluetooth Stereo Headset 1 x USB Cable