On The Go Power Extender Pen for any Smart Phone and Gadgets. Charge your phone, tablets,camera,mp3 player, a smart watch and much more. Charge c just about any device that can use a USB port to charge it. The smallest power extender and a Pen has 1200 mAh battery that will give you enough power to extend your phone charge for six more hours. It has a USB port that will allow you to plug your charging cable directly to the pen. It also works as a ballpoint pen with refillable ink.All metal body construction of the Pen comes with refueling micro USB cable that can recharge your pen for reuse again.Fully compatible with iPhone 4/5/6/6s , Samsung , iPad , iTouch , Tablets , Any Camera and any mp3 player.Weighs under 4 oz and 5.5 Inch tall and 1/2 inch round1200 mAh power capacity Power indicator light.Ball point pen that slides out.All Metal body with USB 2.0 port and 1 x microUSB port.One cable included to charge the pen for reuse.