Features: This latest CCk brand KS model Bluetooth 4.1 sports stereo headphones was carefully designed in-ear wearing, can effectively stop outside noise and enable clear and pure sound from microphone as well as listen to high quality music from it. The latest Bluetooth 4.1 technology allows up to 4 hours of continuous talking or music time. The comfortable and secure design perfectly fit to your ear, the cable smartly stays out of your way when running, jogging or working out. Specifications: Brand:Bluedio CCK KN Bluetooth version: V4.2 Frequency range: 20Hz-20KHz Working range: up to 10m (free space) Support protocols: A2DP,AVRCP,HSP,HFP Talking time: about 4hrs Music time: about 4hrs Standby time: 120 hrs Charging time: about 2 hrs Input voltage: 5V/100mA Output power: 6mW+6mW Working environment: -10°TO 50° Colour Choice: Black Package includes: 1 x Earphones 1 x USB charging cable 3 x Soft ear cap 1 x User manual
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