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i21 touch pop-up wireless Bluetooth 5.0 stereo binaural headset, take out the headset pop-up window i20 new upgrade
Bluetooth version: V5.0
Speaker: high quality copper ring speaker
Chip: True Stereo Chip
Working time: 3-4 hours
Headphone battery capacity: pure cobalt 50 mAh
Charging box battery capacity: pure cobalt 500 mAh
Effective distance: 10 meters or more
The duration of the call is about 2-3 hours, the playing time is 3-4 hours, the earphone charging time is 40-50 minutes, and the storage box charging time is 1-2 hours.
(1) Touch the pop-up window
(2) The earphone is taken out from the charging bin and automatically switched on automatically.
(3) put into the charging compartment, automatically shut down, automatically charge
(4) support double click siri call
(5) Pure cobalt battery with protection board
(6) Magnetic contact charging
(7) True copper ring bass, HD binaural call.
Bluetooth pairing: automatically enters the pairing mode after power-on, and the prompt tone "beep" can be successfully paired. When the two ears are paired, the red and blue lights flash alternately. After the pairing is successful, the blue light of the left and right ears flashes every 3 seconds, then the mobile phone can be connected to the Bluetooth, and the mobile phone is successfully connected and then turned off.