Characteristics: < 1> listening to songs and phone calls, support listening to songs and making calls < 2> Caller ID number, last code callback, full smart English tone prompt, power on, pairing, power off, low power, etc. < 3> Every time the headset is connected to the phone, the headset will automatically connect to the phone when it is turned on, which is convenient and faster. < 4> Smart compatibility: Compatible with all feature mobile phones, tablets, laptops, devices, and all mobile phonesProduct parameters:1. Version: Version 5.0 (Automatically paired)2. Transmission distance: outdoor straight line distance 10-15 meters3. Battery capacity: 60mah lithium-polymer battery4. Battery of charging box capacity: 400mah5. Music listening time: 2-3 hours (Pause/Play)6. Talk time: 2-3 hours (answer/hang up)7. Standby time: 100 hours8. Charging time: 1 hourPairing Method:Long press blue light flash pairing mode, wait after bootThey are automatically paired (one of them does not flash is paired successfully)To connect to the phone. Two mobile phones can be connected separately and used separately. (1 headset connected to 1 phone)Button function: long press to turn on, long press to turn off, click pause/play/answer call/hang up the phone,Headphone charging indicator: The red charging light of the headphones is on, and the red light goes out when the battery is full. Charging box charging instructions:1. When the charging box is charging the earphone: the blue LED light on the charging box flashes, and the blue LED light goes out after the earphone is full.2. When charging the charging box: the red LED on the charging box flashes, and the red LED lights up after the charging box is full.