i7s TWS Mini Wireless Bluetooth Earphone Stereo Earbuds Headsets for Android, IPHONE - Blue

Specification:
1. Bluetooth version: Bluetooth v4.2
2. Bluetooth distance: 10 meters barrier
3. Frequency response: 20-20000Hz
4. Operating voltage range: 3.7V-4.2V
5. Talk time is about 4-5 hours
6. music time about 3-4hours
7. Standby time is about 100 hours
8. Charging time about 1h
9. Bluetooth distance: 10 M

Features:
1. listening to the song correct, support songs and call,
2. Power capacity will show on your Iphone, you can see the power situation anytime, do not worry about the electricity ,make your life without worry;
3. One to two connections, can be connected to two mobile phones at the same time when listen music;
4. Bluetooth headset connected to the phone after the shutdown  , and then open the Bluetooth headset will connect back to the phone  automatically  , more convenient;
5. Intelligent compatibility: support all Bluetooth mobile phone, tablet, notebook, singing it, QQ music, movies, etc., universal all mobile phone
 
How To Connect The TWS i7?
long press the 2 earphones buttons red and blue lights alternately flashing at the same time .into the ordinary pairing mode,
do not release after starting to continue to press the three seconds state.
Bass pairing succeeds after the blue light slow flash.