Yoobao: Since 2005, Your Reliable Charging Brand •The Specialist in external battery industry for about 10 years •Over 50 distributors, 800+ milion Yoobao fans around the world •More than 6 million pieces of Yoobao batteries are sold each year Yoobao YB701 4-Port Desktop Charger Profession for perfection Ultra High Power A category-high 31 watts / 6.2 amps through four ports lets you charge multiple devices at the same time and at top speed. Premium Performance -Intelligent IC control; Over Current Protection;Short Current Protection;Over Heating Protection. -Beyond 10,000 USB Plug Test and 12 Hours Aging Test. -ABS+PC Non-inflammable Material Compatible with most digital device like iPhone/ iPad/ Samsung and many more. Specification Weight: 5.8 OZ Dimension: 3.85*3.3*1.22 inch Output power: Dual 2.1A & 1A output Package Include -Delicate Sales Package; -YB701 Charger; -US Standard Charge Cable;