?Latest Bluetooth 5.0 & Excellent Battery?Our wireless air buds adopt advanced Bluetooth 5.0 technology and antenna technology. Ultra low power consumption. Charge for 15 minutes, use 2 hours. In addition, it is fully charged and can work for 4 hours, and the portable charging case can charge the earbuds 4 times. ?Hi-Fi Stereo Sound?With built-in high-quality audio chip, It catches every details of music and transmits rich sounds with crisp treble and proper bass.In-ear design and CVC 8.0 noise reduction technology to avoid noise interference and give you 360-degree clear surround sound effects , ensure sound clarity. ?IOS Pop-ups Auto Pairing?IOS 11 or higher system supports pop-up pairing, and the window displays earphone power and charging case power. For android users, open the Bluetooth interface, find AIRPLUS, click Done to finish the pairing. ?Lightweight and Comfortable Design& Smart Touch?- Use ergonomic design. Make the earbuds lightweight and comfortable. The best angle to wear wireless earbuds is 65°. Bluetooth earbuds don’t have much burden on the ear. The size is suitable for most people to wear.Touch-control supports a lot of functions such as play/pause music, answer/hang up a call, the next/previous song, activate Siri and so on. ?Quality assurance?Resistant to sweat, water and rain. Ear hook design can be perfect for sports, jogging & gym exercise, watching TV, or sleep.Please feel free to contact us without any hesitation if you have problem or need any help.