-With Bluetooth 5.0 chip, you can enjoy 2 times quicker data transfer rate, 1.7 times faster connection than the BT 4.2 ones. -Large 7.2mm speaker for a wider range and more stunning sounds. -Works with intelligent DSP technology to reduce white noise and improve audio quality. -Only 4.1g in weight, as light as AirPods, comfortable to wear and not easy to fall out. -4+12 hours of battery time. It comes with a charging case that can fully recharge the earbuds 2 times, no worry of running out of juice. -More than Bluetooth earbuds. The AirDots support Siri, Xiao AI and Google Assistant to help you get directions and can take photos for you.