Purple external battery, non-slip surface, embossed I've got the power to charge lettering, brown cord with logo patch, high-performance 6700 mAh lithium battery, 5 V, 4 LED light indicating charge level, microchip prevents overcharging, undercharging or short circuiting, suitable for smartphones, tablets, PSP, Bluetooth speaker, MP3 and other devices, charging time: 4-5 hours, conversion efficiency: 70%, dimensions: 100 x 62 x 28 mm, weight: 120 g. Are you looking for an external battery in a sober colour and innovative design? Choose the toCHARGE model from Kreafunk. Thanks to this easy-to-use and easy-to-carry accessory, your smartphone, tablet and other portable electronic devices will never run flat again!.