FNNMNNR Bluetooth Beanie for Men Women Bluetooth Hat Winter Beanie with Headphones Knit Beanie Cap with Headset Microphone

1. Quickly turn on the code, press and hold the middle button for 2 seconds, make a beep, the red light and blue light will light up in turn, and then the red and blue lights will flash alternately to enter the code matching mode; if the code is successfully matched, the blue light is always on, and the phone turns on Bluetooth. This Bluetooth name can be searched.

2. High-quality call, call back, automatic Bluetooth answer for incoming calls, two-way intercom, double-click play to call back.

3. After the mobile phone is connected to Bluetooth, directly press the middle play button to automatically turn on the music playback.

4. Long press the volume-to decrease the volume, and long press the volume + to increase the volume. Short press volume-previous song, short press volume + next song. Press and hold for 2 seconds, and turn off the machine with a beeping red light.

5. It will enter the power saving mode in about 15 seconds, and the blue light will flash for a few seconds. If it is connected, the power saving mode is always on when the phone has no audio and the POWER button is not pressed. When the phone has audio coming, it will exit and enter the normal mode. In addition, if the mobile phone is not connected, it will automatically shut down within five minutes after entering the power saving mode.

6. With Overcurrent, Overcharge & Overheat Circuit Protection Design on PCB.