Features: 1. Listening to songs and calls, supporting listening to songs and making calls, 2. Caller number, last code callback, full intelligent Chinese and English tone prompts, power on, pairing, power off and off the phone, etc. 3. Apple mobile phone has a power display, you can watch the power of the headset at any time, do not worry about the lack of power to make your life worry-free; 4. One for two connections, two mobile phones can be connected at the same time; CAUTION: what you need to do is just long pressing the both earbuds AT THE SAME TIME and hands off when you see the LEDs flash blue and red alternatively, then wait for 3-5 seconds allowing them to get paired automatically