Bluetooth Earphones BT50 Quality Wireless Bluetooth Earphone Sport Running HeadphoneRed

lightweight and sweat-proof design

Built-in microphone

Clear bass resonance, CVC wind noise reduction, and superior sound isolation

Built-in rechargeable Li-ion batter

Sweat-proof: Effectively prevent sweat and sprinkle 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 switchin
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