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2020Newest Bluetooth 5.0 True Wireless Earbuds With Portable Charging Case ?Advantages of wireless headphones? ?- Support Fast Charging: charge for 15 minutes, use 2 hours. ?- Support for Binaural Calls: With built-in microphone on both sides earbuds, allows you to make hand-free calls  from either one. ?-Easy to Operate: One button control to switch to music or phone calls  ?-a portable charging box:Equipped with the rechargeable charging box, , convenient battery life!20 hours of backup power from charging case. ?- Fast and Stable Pairing: Bluetooth V5.0technology, easy to pairing with your devices.  ?-Bluetooth Range: About 33 feet (10 M)  ?-Battery Capacity: 65mAh (Bluetooth Earphones) /650mAh (Charging Case)  ?Instructions for use? Turn on: long press the touch position for 3 seconds, release after hearing the tone Turn off: long press the touch position for 5 seconds Volume +: Click twice on the right ear during music playback Volume -: Click twice on the left ear during music playback Previous song: Continuously click on the left ear three times during music playback Next song: Continuously click on the right ear three times during music playback Pause/Play: Click to pause/play music while playing music Summon Siri: long press for three seconds ?PACKAGE INCLUDING? ? Battery Box x 1 ?Micro USB Cable x 1 ? User Manual x 1 ?Wireless Bluetooth Headphones x 1 pair