1. Long-distance tire inflation during tire changes2. Built-in pump for inflation3. Rechargeable for repeated use4. Compact size for easy portability5. Despite its small size, it boasts impressive power.Product name:Mini electric air pumpSize:About 63.7x61.7x31 mmWeight:About 93gBattery capacity:7.4V*300mAhCharging method:Type-C 5V 1.5AWorking hours:About 200sChargeable air pressure:100PsiStable battery life for worry-free ridingSimple operation to quickly inflate an empty tire in a short amount of timeColor:BlackMaterial:plasticPackage Contents:1 * Electric Air PumpOnly 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.