Gaming TWS Pro Wireless Headphones Bluetooth Earphone Sport Earphones Handsfree Earbuds for Note 9S Umidigi F2

Touch Wireless Bluetooth 5.0 Earphone IPX5 terproof Sports Earbuds With Microphone For redmi note 7 iPhone X 7 8

Features: 1*Comfortable design and universal compatibility, bluetooth 5.0 for iOS & Android, windows 2*High-level ter-resistant makes it suitable for sports to prevent ter ingress. Ideal for sweating it out at the gym or singing in the rain. 3*Fashion desgin, great gift for friends & families. Specification: Bluetooth version: v5.0 Receiving distance: up to 10 meters Working frequency: 2.402GH2-2.480GHz Transmitting power: level 2, maximum 4dBm Supporting simple pairing Audio decoding mode: SBC Signal to Noise Ratio (SNR): > 75dB Distortion: <1% Voltage DC5+0.25V Battery capacity: 3.7V/45mAh Battery case capacity: 350mAh Working voltage: 3.7V (3.3-4.2V) Charging time: about 1H Microphone Sensitivity: -42+3db Continuous playing time: up to 3.5 hours Connection time: around 100 hours Working t: 25mA Match name: Air3 Package includes: 1* pair of bluetooth 5.0 headphone 1* usb charge cable 1* English user manual

Headphones pairing method:

1. Take out of the stebasket or press and turn the Multifunction button for 3 seconds to turn on until the red and blue lights flash alternately, enter the ear search pairing status.Before the automatic pair of ears that combines with the main ear (right sar) the red and blue lights flash alternately, the secondary ear is shaken slowly, and the paired ear is played correctly.

2. Start the Bluetooth function of the mobile phone or other devices.

After the pairing is successful, the main ear is the right channel. The secondary ear is the left channel.

Issue:

Q1: One has sound and the other has no sound.

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