... :65%-20%Storage humidity:65%-20%[Features]1, A compact size makes it easy to collect and carry,So you can ... years.4, Charge worry-free anytime and anywhere to all small USB device, such as mobile phones, MP3, MP4, IPHONE, DV ... flashlight;6,Equipped with a variety of USB adapters. 2200mAh small size mobile power supply for mobile phone