Please make sure your shipping address and contact phone are right,Russian and Ukrainian friends please write full name.
We offer you the cheapest pric,so there is no logistics information after the package leaves China.You can receive the package under normal circumstances.If you did not receive the package under the protection of time,please contact us,we will handle the replacement or refund for you,thank you.
if only one earphone work,Because you link Wrong .Please ignore Bluetooth on your phone and reconnect
1: Long press the multi-function buttons of both sides at the same time until the led flashing in red and bule alternately;
2: Then double-click the left earphone to automatically pair;
3: Turn on the phone bluetooth on your device and choose “i7 tws” to;
4: Matching completed.