Color:40W Black (New) AMERICA'S LEADING USB CHARGING BRAND- Faster and safer charging with our leading technology- 10 million+ happy users and countingAnker PowerPort 540W 5-port USB charging hub for phones, tablets & more Advanced Charging TechnologyExclusive to Anker, PowerIQ and VoltageBoost combine to ensure the fastest possible charge

(Does not support Qualcomm Quick Charge).Ultra PowerfulFive ports pump out 40 watts of power, enabling simultaneous multi-device charging.High EfficiencyRated DOE 6 highly energy efficient by the US Dept

of Energy.MultiProtect Safety SystemSurge protection, temperature control and more advanced safety features keep you and your devices safe.UL CertifiedBuilt with industry grade materials and premium circuitry, this product meets the rigorous safety standards of Underwriters Laboratories.Super CompactAs small and light as a pack of cards, the Anker PowerPort 5 is one of the most compact multi-port USB chargers on the market.For Optimal Use:- Use your original cable or a third-party certified one (such as MFi).- Compatible with Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices.- Do not place PowerPort 5 in an enclosed space while charging

This may cause the charger to overheat.- Do not place any electronics which give off heat on top of PowerPort 5.Note:; If a port isn't working properly, it may be because your device has triggered the protective internal safety switch

In order to reset the switch, unplug all cables (including power cable) for five seconds and retry.; This charger is not compatible with the iPod nano, iPod Classic, iPod Shuffle, HP TouchPad and Asus tablets.; We recommend charging your MacBook while it's turned off or in sleep mode (5-hour recharge time).