For 199RMB (30$) you get a digital display, a button interface and a LED light to use in the dark. The device is run by two internal rechargeable batteries (2000mAh total). It comes in a full metal construction and has a 120mm durable air hose. The device can ideally be used by anyone (with or without knowledge about tyre pressure) as it has built-in pressure sensor and can automate the pump process.
With the device you also get two sized pins, Micro USB charging cable and a carrying pouch. So its safe to assume it has an adapter to make it multi functional. It can be used on Footballs, Bicycles, Cars etc. Official specs claim that on a single charge it can fully inflate 5 car tires. Or 8 bicycle tires or 7 footballs. It can operate at a pressure range of 3 psi to 150 psi or 0.2 to 10.3 bar. It can also automatically stop if it detects that exceeded pressure settings in the mode chosen by the user.
It’s a portable device at 124x71x45.3mm. The loop of the air hose is also designed to be hooked onto a bag or a handle. This increases portability and reduces the hassle of carrying it by hand or in a bag. the Motor used in the Xiaomi Air Pump has no official details but is said to be endurance tested and can resist heat up on continuous usage.