1. Incoming call, press the "PLAY / STOP" button to receive calls automatically.
2. Incoming call, press and hold the PLAY / STOP button for 3 seconds to reject the call.
1. Disconnect the first paired device and then pair the second device.
2. Adjust the volume from your mobile or press and hold Vol + from Bluetooth if you cannot listen to music.
3. The sound may have some noise if there is environmental interference.
Improves the rechargeable usb battery, integrated high performance battery of 200 mAh. USB charged (cable supplied) about 2-2.5 hours provides more than 8 hours of playback time, does not emit a beep after the power is finished. You will have a very good dream. It is red light when charging and blue light when fully charged. Notes: check the USB cable if it does not work to charge.
Bluetooth can easily pair your iPhone XR, iPhone XS, iPhone X, iPhone 8, iPhone 7, Galaxy Note9 or any other tablet for iPad Smartphones.
How to connect bluetooth:
1. Close all phone bluetooth.
2. Press and hold the "on / off" button in the viewfinder so that the red / blue flash light.
3. Find the Bluetooth name: BT-FAAH.Then connect and enjoy.