The 2200 mAh rechargeable lithium ion Grade A battery is enough to charge smartphones, MP3 players and more. Reusable power bank charges via USB cable (included) which can recharge the battery backup or be used to charge up devices with a micro-USB input like Android smartphones from Samsung , Motorola, HTC, Nokia, and others. Press on/off power button continuously to start/finish flashlight function. Press on/off power button once for LED indicator. Input 5V/500mA. Output 5V/1000mA. Media . 1.313" H x 0.75" W x 2.813" L. Imprint area is 0.38" H x 2.00" L on Per side and includes a 1 Colour Imprint on 1 Location. Packaging: Individually gift boxed. Please call for rush delivery availability or multi-colour/multi-location imprints.