S20 Wireless Bluetooth Earbuds.

Warm tip: In order to enjoy a better experience, please charge the headset immediately after receiving the product.Connection method:1. Open the package, peel off the blue insulation film on the headphones, the left and right earbuds out in the charging bin. The headset lights up. If it does not light up, please charge the battery.2. Take out the headset from the charging compartment automatically open and pair automatically. Wait about 10-20 seconds, the left and right earbuds will automatically synchronize. Pairing is successful. 3. open the phone's Bluetooth, find the Bluetooth name of the headset, click to connect, music APP can be set in a variety of sound effects, Stereo Bass it.4. After using the headset, put it back into the charging compartment, the headset will automatically turn off and charge.5. Use the headset again, take it out of the charging compartment, automatically turn on the phone, automatically pairing connected to the phone (can be operated by a single headset).How to use：A) trigger the phone voice assistant (Android: long press) (IOS: double click).B)Click will pause to play music/video.C)Quick double click to switch language. (Must be without Bluetooth connection)D)Clicking three times in a row will play the next song/video.E)Adjust volume by phone volume keys.F)Support renaming and locating on the phone.
For more detailed and more additional functions operation method, please read the product user manualproduct made in China support