Specifications: Bluetooth version: V4.1 Operating distance: Up to 10m (free space) Bluetooth profiles: A2DP, AVRCP, HSP, HFP Talk/music playtime: Approximately 4.5 hours Standby Time: 180 hours Charging time: Approximately 2 hours Compatible For: iPhone/Nokia/HTC/Samsung/LG/Moto/PC/iPad/PSP and other Bluetooth devices. Function: Caller report/line control answer/hang up/rejection/on-off/redial/mute/volume adjustment/Chinese-English shifting/intelligent one-driving-two music pause/play, up and down song switching. Package include: 1 x Bluetooth 4.1 sports headset 1 x USB charging cable 1 x Headphone package 2 x silica gel plug

• Bluetooth Version 4.1, Bluetooth Wireless, Sweat Proof, Volume Control, Built-In Microphone, HD Voice, Noise Cancellation, Noise Isolation, Playback Controls, Rechargeable
• Portable lightweight and sweat-proof design Built-in microphone
• Built-in rechargeable Li-ion battery Clear bass resonance, CVC wind noise reduction, and superior sound isolation
• Sweat-proof: Effectively prevent sweat and rain interfere with headset operation
• Caller report, line control answer/hang up/rejection/on-off, redial, mute, volume adjustment, Chinese-English shifting, intelligent one-driving-two, music pause/play, up and down song switching4

Bluetooth Version 4.1, Bluetooth Wireless, Sweat Proof, Volume Control, Built-In Microphone, HD Voice, Noise Cancellation, Noise Isolation, Playback Controls, RechargeableChina