Ultra portable mini bike tire pump is super small, easy to carry, takes up less space in your backpack, you can even put it in your pocket. With it, you can inflate your bike tires anytime and anywhere, it is a must-have for bike cycling adventures. easy to inflate tires of bicycle, electric bike, mountain bike, motorcycle, soccer ball, basketball, football and so on. The portable bicycle air compressor automatically shut off when it reaches the preset value, ensuring safe use. universal for almost all types of bikes on the market, which can satisfy the needs of cycling enthusiasts, but also easy to share and help each other with cycling partners. Digital pressure gauge of small air compressor portable displays the inflated air pressure value in real time, easy to read digital format, you can monitor the air pressure of your tires at a glance and accurate inflation every time. color: Black Material: plastic+metal size: 7.5x5.1x3.4cm Package Contents: 1*Wireless Air Pump kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.