Charger your device on the go with this small and compact power bank. This Vivitar is compatible with iPhone, iPod touch 5 generation, and Android phones with micro USB input. It retractable feature makes it wireless and easy to travel. The power back is 9.90" x 1" in size, comes with a keychain. The devices come packaged in 5" x 2.5" plastic box and in a countertop display with eight power bank.