SKG Economical Dual USB Portable External Battery Pack - Harmonica Style Portable Charger - 10000mah Power Bank 5814 The Only Official SKG Brand Store on Amazon. Trademark Filed in the U.S. In Business Since 1997. Seller --- SKG Staff; Product --- U.S. Standard; Price --- Wholesale Outlet. For U.S. customers, this product comes with 1-Month Free Trial & 2-Year Warranty. 10000mAh True Capacity in a Lightweight Compact Package - For reduced weight and increased safety. Ideal for flights, road trips or just any time you're away from an outlet. Stylish and Portable Harmonica Shape - Ergonomic design, easy to handle by one hand. Not all bulky and square like most batteries these days. Fashion power indicator shows exact level of charge, keeping you informed of remaining capacity. Multiple Built-in Safeguards - Protect against overvoltage, overcharging, overheating or short circuit for safe and fast charging. Charge multiple smartphones, tablets, and other portable devices at the same time through dual USB ports (5V / 2.1A and 5V / 1A). Comes in a premium quality gift box, ready for gift giving to colleagues, friends and loved ones.