Product Review

How to Connect the Headphones with Your Cellphone（for the first time):

Open the Bluetooth function on your cell phone;
Long press the headphones' answer button for 3 seconds. After hearing "power on" , don't release the button, continue to hold the button for 4 seconds.
After a "beep" sound, when red and blue LED light flash alternately, it is turning into pairing mode.
Use phone Bluetooth to find a Bluetooth device named "s9i", then select this device to pair.
After pairing this device, Headphones will give a voice remind "connecting".
Play music
Long press the power/answer button, headphones will give a voice remind "Power off".

No need to repeat all of above steps the next time to pair, you only need to:
Open the Bluetooth function on your cell phone;
Short press the answer/power button, after hearing "power on", release the button, then you will hear "connecting".
Just play music directly.
Package Content:
1X Bluetooth headset
1 x USB charging cable
1 x User Manual