It works with most of Smartphone /MID/PC and so on 

– Bluetooth V4.1+EDR 

– Bluetooth Headset & Hands-free, A2DP, AVRCP 

– -92dBm RX sensitivity and +9dBm TX output power capability 

– 24 bit Audio codec, -98dB SNR 

– 10meter, class2 

– lDC5V/100MA-1A 

1. Power: Press the power button for 2-3 seconds, along with red and

blue lights, boot into the back even state 

2. Power Pairing: Press the power button for 5-6 seconds, along with

red and blue lights, after flashing red and blue alternately into pairing mode 

3. VOL +: Press the volume + button for 2 seconds, add up the

volume a maximum sound, a warning sound 

4. VOL-: Press Volume – button for 2 seconds, cut down the volume a

minimum sound, a warning sound 

5. Previous: Press VOL+ 

6. Next: Press VOL- 

7. Telephone Answering: when to call, press the power button 

8. Refused to answer: when to call, press the power button for 2

seconds 

9. Redial last telephone number: double-click on the standby power

button 

10. Charging: red light when charging, fully charged blue lights 

Product Features

• Easy to Pair and Play, Get Started Simple and Quick: inserted with the newest V4.1 chip, this earphone could be easily and quickly paired with your Bluetooth enabled devices as iPhone, Samsung , ipad, ipod, XIAOMI, HuaWei, LG, MOTO… no special thing needed, let you enjoy the convenience immediately.
• Two powerful audio drivers on each side offering balanced audio and crystal clear sounds, CVC noise cancellation technology, enables clearer sound from the mic, providing more comfortable and dynamic listening experience even outdoors.
• Ultra-light & Unique Sports design earhooks, ensure the headphones stay stable in your ears and yet not a burden for you when you in the gym, running, jogging riding bikes or other sports.
• Full Control, enabled to connect 2 devices at the same time, the Leyic headphones are made with integrated remote volume and microphone controls on the base, you could choose to answer/hang up phonecalls, control music/volume, interchange the devices connected, in control with one press.
• What You Get: Leyic Bluetooth headphone, earcaps, charging cable, instructions and 12 months warranty, and our friendly customer service.