ƒ?§Æ?One-Step Automatic Pairing and ChargingÆ?? Just Take the Twins Wireless Earbuds from Charging Case, they Will Turn On and Connect With Each Other Automatically. Turn off and Charged When Put them into the Charging Case. Wonƒ??t be Bothered by Complicated Pairing Process. ƒ?§Æ?Binaural Call & HD Sound QualityÆ?? Huge technology innovation to achieve Binaural Call, Twins Wireless Earbuds can Hear the Voice, and Make the Sound More Clearly, Like a Face to Face Conversation, Give you the Unparalleled HD Call Enjoyment. With Bluetooth 5.0 High-tech Noise Treatment Chip, Achieve Noise Reduction, and You can Enjoy Pure Music without Environmental Impact. ƒ?§Æ?Lightweight and Portable Charging CaseÆ??The Wireless Earbuds can Last for 3-4 hoursƒ??Music Playtime on a Single Charge. Equipped with 650 mAh Charging Case, Which Can Provide 3-4 times Full Charge for the Bluetooth Headphones. So you can Enjoy 9-16hrs Music time.Don't Worry about the Battery Shortage, and You can Go out for a Day thus Sufficient Music Joy all through your day Activities. ƒ?§Æ?Faster Pairing Speed & True WirelessÆ?? Using Updated Bluetooth 5.0 HD Receiving Technology, Enable the Music Play and phone Call More Smooth and Clear. Provide More Stable Connection, Wireless Range up to 33ft if no Obstructions. True Wireless and No Need to Worry About Wire Tangles. As One-Key Adjustment, You Can Use the Twins Bluetooth Headphones to Achieve Volume +/-, Play the Next / the Previous Songs, Answer/Reject /Hang up Calls, Music Play/Pause,Activate the Siri Functions. ƒ?§Æ?After-sales GuaranteeÆ?? 30 Days No Reason Money-Back Guarantee and 12 Months Replacement Warranty. If you have Any Questions about Our Products and Services, Please Feel Free To Contact Us, We will 24 hours Quick Reply as Soon as Possible.