2-in-1 Model Available in Several Vibrant Colors & Combines Internal Flash Memory with Function of 2500 Mah Power Bank! Will Allow You to Save Your Important Files or Music with Internal Memory, But Also Charge Battery of Your Device! Full Charger Time 5.5 Hours, Input 5v-500mah, Output 5v-1000mah, Battery Lifespan Approx. 500 Cycles. Circuit Protection: Over-current, Over-charge, Over-discharge & Short Circuit Protection. Including USB Charger Cable. Available in Red, Blue, Lime Green, White, Black. Minimum Quantity: 100.