color: beech walnut (other wood do)
 Product size: 125 * 65 * 10 (mm)
 Battery capacity: 4000mAh
 Batteries: Lithium-ion polymer batteries
 Input voltage: DC5V / 1.0A
 Output voltage: 5.25V / 1.5A

This paragraph is designed with a standard mobile power charging input interface, super compatible, high-performance polymer batteries, the capacity can reach 4000mAh, it combines backup battery charger and dual function, a single USB output, through the optional discharge output line plus adapter, can give the tablet, Samsung, Blackberry and other mobile phones, e-books, games, very convenient to use, anytime, anywhere to solve your equipment without electricity troubles !