Convenientmall K20 wireless bluetooth earphone with hd mic tws stereo business handsfree hd call v9 bluetooth headset

Product feature: 180 degrees rotating design, suit for left and right ear.

bluetooth v5.

0 chip,stable singal transmission.

bluetooth transmission distance: 10 meters.

creative hook design and only 12g weight,stable and comfortable.

support adjust volume and change music battery capacity of the headset: 220mah noise reduction: cvc 8.

0 working voltage: 3.

7v charging voltage: dc5v charging time: about 1 hours talking time: about 20 hours music time: about 15 hours frequency response: 20 - 22khz product list: 1 * bluetooth headsets 1 * charging cable 1 * user manual bluetooth version:5 earphone type:ear hook microphone:yes waterproof:yes playback control:yes noise reduction:active we warrant that the products comply with all applicable laws, and are offered only if they comply with jooms policies and eu product safety and compliance laws.