1. the left ear and the right ear touch the position, touch 1 to answer the call, the left earphone touches 2 times and the volume decreases, the right earphone touches 2 times and the volume increases, the left ear presses 3 times and the next song, and the right side presses 3 times. last song, long press for 3 seconds, long press for 5 seconds to switch on and off, two headsets report at the same time.
3. the whole machine has voice prompts;
4. the earphones have sounds for the left and right ears of the two-channel conversation;
product parameters: 5. headphone music playback time is about 2-3 hours, talk time is about 4 hours, standby time is about 6 hours;
6. charging battery capacity 400ah, headphone battery capacity 40mah;
7. charging time is 70 minutes;
8. charging box charging voltage 5v;