The open design is not worn in the ear, which avoids the pain of traditional in-ear headphones worn for a long time, and also reduces the impact on the hygiene of the ear canal. It is suitable for long-term use, and has good stability and is not easy to fall during exercise. In terms of appearance design, the earphone cabin adopts a transparent design language, which also enables users to see the digital display status of the electric quantity inside through the transparent material without opening the cover during the charging process of the earphone. Headset comes with breathing light, in the Bluetooth connection, charging, into the cabin shutdown have different interactive lights. The overall design is simple and stylish, the Air series name fits the outdoor sports attributes, and the characteristics of the product's transparent window. As the first product of the Air series, other derivative works will be introduced later.