Product Description Specifications The Emerson Stylus Power Pen provides you a writing pen and stylus combination while also offering an emergency power boost for your smart phone or tablet. Includes both built-in input and output charge ports and iPhone adaptor. Material: Aluminium, Copper. Product Size: 159 x 14 mm (dia) Branding Area: 25 x 12 mm Standard Packaging: White Box Certification: CE, RoHS, MSDS, UN38.3 Specifications: 1000 mAh (3.7 Wh) Lithium polymer battery with over-charge, over-discharge and over-current protection, Micro USB Input: DC 5V @ 1A, Single USB Output: DC 5V @ 1A, Battery Charge Time: 1-2 hours, Number of Device Charges: iPhone X (21%), iPad 9.7 (8% Standard Accessories: Micro USB Charge Cable, User Manual Trademarks: iPad and iPhone are registered trademarks of Apple Inc.