1.Single-Ear Wireless Bluetooth Headset/ Earpiece used for making phone calls and listening to music.
2. It can be used with a phone that has Bluetooth.
3. And it can be charged, so charge before use.
4. Note: It has a circular button for on/off. it displays red/blue light inside a tiny indicator opening..... It shows Red light when not fully charged & Blue light when fully charged.....
5. Also, if peradventure during use, you hear the Chinese language when you switch on/off the earpiece, just turn off your Bluetooth on your phone and switch the earpiece on and then press the
circular button twice quickly to change it back to English.