1. COMPACT SIZE & USER-FRIENDLY. Weighing just 0.28 pounds (127g) and measuring 2.09 x 1.26 x 3.03 inches, the Mini Electric Bike Pump is compact and easy to carry. Simple one-button operation ensures ease of use. 2. EFFICIENT & FAST INFLATION. The mini bicycle pump delivers fast inflation with 15 L/minute of airflow, reaching 80 PSI (700*25C road tires) in just 50 seconds. No long waits to get back on the road quickly to continue enjoying your ride. 3. QUICK CHARGE & POWERFUL. Powered by Type-C USB, it fully charges in just 30 minutes. Once charged, this portable bike tire pump can inflate at least three 700*25C tires from 0 to 120 PSI. 4. DUAL NOZZLE DESIGN. Our mini bike pumps are compatible with Schrader and Presta valves for different types of bicycle tires, without the need for additional adapters or head swaps. 5. NOTE. 1. When the target air pressure is above 100 PSl, please use with the hoseto prevent air leakage from the nozzle. 2. For TPU inner tubes with resin valves, be sureto connect them with an extension air hoseor the valves may melt due to overheating. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.