Description Upgraded multifunctional wireless air pump Built-in 4000mAh rechargeable lithium batteryTriple Cooling Mode - Say goodbye to high temperature and prevent hot hands. Cordless air compressor for pumping items, safety and convenienceIndependent battery design, super long standby timeDigital LCD pressure gauge, come with 1550psi, accurate pressure preset availableFast air filling and automatic stop protectionEasy to use in just 3 stepsSuper bright LED flashlight and 4 optional units as PSI, Bar, KPA, kg/cm Network bank function for charging smartphone etcSuitable for: daily inflation of ball, bicycle, electric car, motorcycle and small inflatable toys, etc. Not recommended for: Inflated car and truck tires. (Can only be used as an emergency room.) Triple cooling modeThe mesh heat dissipation is adopted outside the air pump to increase the heat dissipation area.Inner spiral fan speeds up airflow and heat dissipation.Metal pressure cylinder runs stably without shaking during pressurization and inflation.Multiple heat dissipation areas prevent the body from overheating and burning, making it more durable.multiple useWith variable nozzles, NightyNine Mini Portable Electric Air Compressor is suitable for small and medium-sized car, SUV, motorcycle, bicycle tire, buggy, 10 16 inch bicycle, 20 30 inch bicycle, racing bike, balance car, wheelchair, booster and children's toy ball , basketball, football, volleyball, rugby etc. Package Includes 1 * air pump 1 * hose drill 3 * Inflatable Accessory Port 1 * USB charging cable 1 * User Manual