Hands Free Headphone Description: 1.Portable lightweight and sweat-proof design 2.Built-in microphone 3.Built-in rechargeable Li-ion battery 4.Clear bass resonance, CVC6.0 wind noise reduction, and superior sound isolation 5.Sweat-proof: Effectively prevent sweat and rain interfere with headset operation. 6.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 7.this earphone can be connected by two cellphones at the same time Hands Free Headphone Specification: 1.Bluetooth version: V4.1 2.Operating distance: Up to 10m (free space) 3.Bluetooth profiles: A2DP, AVRCP, HSP, HFP 4.Talk/music playtime: Approximately 4.5 hours 5.Standby Time :180 hours 6.Charging time: Approximately 2 hours

• 1.Portable lightweight and sweat-proof design 2.Built-in microphone 3.Built-in rechargeable Li-ion battery
• 4.Clear bass resonance, CVC6.0 wind noise reduction, and superior sound isolation
• 5.Sweat-proof: Effectively prevent sweat and rain interfere with headset operation.
• 6.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
• 7.this earphone can be connected by two cellphones at the same time

1.Portable lightweight and sweat-proof design 2.Built-in microphone 3.Built-in rechargeable Li-ion batteryLY