Wireless earbuds with digital indicator, Bluetooth V5.3 compatible. - Model Name: M19 - Bluetooth Version: V5.3 - Digital Indicator: Battery level display - Design Features: Independent left and right earbuds - Function: Wireless connection - Operation Buttons: Touch sensor Earphones, Bluetooth. Color: White. Button Functions: Power On: When you take the earbuds out of the charging case, they automatically turn on and pairing starts. Play/Pause: While playing, tap the earbud's touch button once to pause, and tap it again to resume playback. Answer/End Call: When receiving a call, tap the earbud's touch button once to answer the call. Tap it again during the call to end the call. Reject Call: When receiving a call, press and hold the touch button for 2-3 seconds to reject the call. Take both earbuds out of the charging case simultaneously. (Note: You must take both out at the same time.) The earbuds will automatically turn on and pairing will begin. Please wait 5-30 seconds. If one earbud is flashing and the other is off, pairing has been successful. Then, turn on Wireless on your smartphone, search for the earbud device name, and connect. Please refer to the instruction manual for further details. Please be careful when driving a car, motorcycle, or bicycle. I am selling these because I have two of the same earphones.