10. switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times)
11. Charging time about 1 hour .
12. Talk time is about 4-6 hours,music time about 4-6 hours
13. Standby time is about 120 hours ,The charging time is about 60 minutes
A right earphone or a pair of earphones (you can choose what you want ).
1*User Manua(we packaged without box , if you want box, please pay for it )
If you buy a pair , Please Note:
1. For incoming call,only the master earbud has sound (This safety feature allows you to hear the traffic While driving)
2. Keep away from wifi, route or other high frequency transmitting equipment to prevent interruption of signal receiving.
If you buy a pair, you should know How to pair it .
1. long press left and right button together until two LED light flash red and blue alternataly.2. Double click either side button , wait one LED light flash red and blue alternately . 3. Search "TWS-i7" on bluetooth and pair it on your phone