M25 Bluetooth Wireless 5.3 Headset Touch Digital Display Binaural Noise Reduction Stereo Music Gaming Earphones Bluetooth Audio Button Mobile Electronic Earbud Device Connection

Unable to connect:

1, after a long time of transportation and placement, resulting in insufficient power connection failure, please charge a little longer before the first use

2, There may be other signal interference nearby, please press and hold the function button when the power is sufficient, the light flashes, please carry out Bluetooth pairing during the light flashing, if there is still a similar situation, please delete the headset and the mobile phone Bluetooth matching, and re-match according to the above methods

No sound:

1, the touch key on the earphone can adjust the volume, the buyer can adjust the volume according to the manual operation or avoid accidentally touching the volume down