- Human Ergonomic Design :Designed according to human engineering and it fits perfectly in the ear hole.
- Smart connection & easy operation :Automatically turns on / off, earphones of both ears can pair and connect automatically. Take out the earphone from the battery case and the earphones turn on automatically.
- IPX5 Waterproof :A sports Bluetooth earphone which can operate without problem even if wet with sweat of exercise or water of light rain.
- Battery Upgrade :Battery capacity upgrade from 40mAh to 50mAh,Charging case capacity from 400mAh to 650mAL.
- Airbuds Wireless earphone adopts the latest chip of Bluetooth 5.0, double the data transmission speed and 8 times the data transmission capability.