FreedConn Bluetooth Headphones Headset With Mic For Motorcycle Helmet

Turn on: press and hold A button until hearing a short tone (about 3 seconds)/blue and red light would flash alternatively (without any operation for 5 minutes, it would shut down automatically) 

Turn off: press and hold A button until hearing a short tone(about 3 seconds)/red light would fade after 1s

 Answer a coming phone call: without any operation for 10s, L1 minus would help to answer the coming phone calls automatically under the pairing status/once answering the call, you will hear a short tone Di and the blue light would flash quickly Reject a coming phone call: press and hold A button until hearing a short tone(it is about 2 seconds) terminate dialogue: press A button for once and you will hear a short tone Di Make a phone call: double press A button to make a call under the not occupied status Play/pause music: press A button for once to play or pause music Last/next song: press and hold B button for 2s to play last song/press and hold B button until reaching your favorite song 

Up/low the volume: press B button to raise the volume/when raised to its max, there will be a short tone/after getting to its max, press B button to lower the volume/when lower to its min, there will be a short tone/after getting to its min, press B button to raise the volume Clear the pairing record: press and hold A and B button together for 10s and you will hear a short tone Di Di/( you could clear the pairing record when the music is not clear or not smooth to listen/repair it with your phone to improve the voice quality)