【LIFE-TIME Warranty】 30-Day money back guarantee, LIFE-TIME Warranty and friendly 7 x 24 hours customer service. 【Mini Size & Portable】Size: 1.09 x 2.41x 2.45 inches,Weight: 2.82 oz (79g); Mini and light-weighted.Portable to carry and store,can be attached to the backpack or put in your pocket. One-button operation, focusing on bicycle inflation or refill air.【Powerful Inflation】To reach 80 PSI in just about 75s, filling the air to the bicycle tire at any time quickly and conveniently.Maximum air pressure 100PSI. 【Durable & Safety】FitStill Tiny Cube air pump can inflate at least 200+ tires, which is portable, durable and safe. 【2 Kinds of Nozzle】: Compatible with both Schrader valve and Presta valve - combined into one, easy to carry; It can meet the needs of cycling enthusiasts, but also easy to share and help each other with your cycling partners.