The Hoco J41 Pro is a Dual USB Small and Compact Portable Phone Charger with a 10000mAh capacity battery. It is made of A+ polymer lithium. It can be used for most smartphones and any electronic devices, such as iPhones, iPads, Samsung Galaxy smartphone and Tablet devices, and more. This power bank is also made of a high-quality ABS + flame retardant PC, to keep your devices safe from over-charging, over-voltage, over-current, and short circuits. With it’s leather lanyard it is easy to carry the Hoco J41 Pro bank, as it’s light in weight & slim. It easily slips in your pocket or bag for accessible power anywhere.