【Powerful and Fast Inflation】With a robust motor capable of reaching 150 PSI, this portable air compressor quickly inflates car tires, motorcycle tires, bicycle tires, swimming rings, and various sports balls efficiently. 【Compact and Portable】Measuring just 4.96 x 3.1 x 1.97 inches and weighing 1.08 pounds, this wireless tire inflator is easy to carry and store in your car, bicycle rack, or backpack, making it ideal for travel and outdoor use. 【Long-lasting Battery】Equipped with a 7.4V high-capacity rechargeable battery, this portable air compressor can work continuously for up to 20 minutes without shutting down. 【Smart Inflation Modes】Features 5 preset inflation modes for cars, motorcycles, bicycles, e-bikes, and sports balls, plus a customizable 6th mode. Easily switch between PSI and BAR units with a long press of the switch button. 【User-Friendly Design】Simple operation: pull out the left end of the hose to start and push it back to stop. The device automatically shuts off when reaching the preset pressure or after 3 minutes of inactivity. 【Versatile Tool】This portable air compressor combines multiple functions, including a tire inflator, swimming ring pump, ball pump, bicycle pump, LED light, and digital tire pressure gauge, making it a practical tool for various situations. Specifications: Product model: CQBB501 Air pressure value: maximum 150PSI Battery: built-in 2*2200mAh high-rate lithium battery Charging interface: Type-C Battery type: lithium-ion battery Working temperature: -10℃~45℃ Storage temperature: -10℃~45℃ Working noise: 80±5dB Air pressure accuracy: ±1PSI Trachea size: 200mm Inflation pressure: 0.2-10.3bar/3-150PSI Inflation temperature: 5℃~40℃ Battery capacity: 4400mAh Rated input: 5V/2A Charging time: ≈3 hours Rated voltage: 7.4V Product size: 123*78*47mm