Features1. Ultra-Mini Size& Portable: Weight: 5.5oz; Size: 2 x 2 x 2.7inch; Portable air pump is mini as an egg and light-weighted. Portable to carry, this air mattress pump can be attached to the backpack or put in your pocket. One-button operation, widely used for outdoor camping, hiking, beach, and indoor storage bags.2. Powerful& Quick Inflation: Designed with 2.5kPa air pressure and 650L/min wind speed, this air mattress pump can inflate air products within minutes. Besides, our tiny pump helps to make a fire with air-blow on outdoor camping or backyard barbecue. No more meaningless waiting.3. Nozzles& Extensive Applicability: Micro air pump is equipped with different nozzles, which can fit most of inflatable air products, like air sleeping pads, air beds, air mattress, air toys, swimming rings, pool floats, air sofa, pool rafts, vacuum storage bags, etc. Install the suitable nozzle on the inflation or deflation port, then push up the switch to work.4. Rechargeable Lithium Battery: Mini air pump with built-in large 3600mAh battery, works up to 45 minutes for one charging. The wireless air pump can be quickly recharged by power bank, laptop, car USB port when on outdoor or charged by power adapter at home.5. Safety& Easy to Use: The exquisite crafts, boosted motor, and solid ABS plastic shell making this battery air pump sturdy, well-sealed, and durable. Please don't use it continuously for more than 15 minutes until it cools down.SpecificationMaterial: ABS, PCColor: WhiteSize: 5 x 5 x 7 cmWeight: 158 gPower output: 5 VInflation Pressure (high gear): 4.8 KPa/0.7PSIInflation Pressure (low gear): 2.5 KPa/0.36PSIWind Speed: 650 L/minWorking Time: 90 min/2.5 KPa, 65 min/4.8 KPaContinuous Lighting Time: 17 hoursBattery Capacity: 3600 mAH/13.3 WhPackage Include:1 Air Pump