KEY FEATURES: Powerful Air Pump: With built-in 20000mAh rechargeable battery, the portable tire inflator does not require external power supply when working. This tire pumps three times faster, has 35% more power than a regular electric pump, and has a cordless run time of up to 2 hours. Additionally, it doubles as a cell phone charger and has a convenient lighting function, making it perfect for outdoor emergencies. ​ Multi-Functional Inflation Options: This air compressor has four preset...