ROCKBROS Mini Electric Air Pump Portable 100PS 300mAh with Presta Valve Aluminium Bicycle Pumps for MTB/Road Bike and Air Pumping

MINI SIZE & PORTABLE CARRY: Weight only 97g,and the size only 64*56*28mm.This mini pump is exquisite and portable, you can put it in your backpack or pocket. Cordless design, get rid of tangled wires.Minimize the storage space and maximize your leisure time.Suitable for road and mountain bicycles. 100 PSI HIGH PRESSURE: With a built-in high-performance chip, this mini tire inflator can quickly inflate tires up to a maximum pressure of 100 PSI with.It only takes 50-160 seconds to inflate a bicycle tire depend on the type of tires.It lasts 200 seconds after full charge with 300mAh battery. FAST CHARGING: ROCKBROS Mini Electric Tire Inflator only takes 25 minutes to fully charge with a Type-C USB Charging cable.In addition, it has a multi-color indicator to show the remaining battery:The green light indicates 80-100% power; Yellow light 50-80% electricity; The red light is less than 50% charged.