JACKYLED Power Strip - 14 Outlet Plugs with 4 USB Slot 6.5ft Cord Wire Extension 3000W Surge Protector Universal Socket Charging Station for PC Laptops Mobile Devices RELIABLE & MAX WATTAGE: RoHS, CE & FCC Certificates. Due to different voltages in different areas, this product is designed to support 110V-250V. If it is used under 125V, the max power will be 125V x 13A = 1625W; if under 250V, the max power can reach 3000W. This power strip is made of fireproof ABS plastic material and PVC, copper cable that is guaranteed to be of high security on charging devices with an overload protection smart control and LED indicator design. CONVENIENT USB PORTS: The 4 USB ports (Total 5V/2.1A) can charge two cellphones together, or one iPad, MP3, digital camera, tablet etc at fast speed. Max Output current per port is up to 2.1A(Note: USB charging may not work if the total need exceeds 2.1A(long time over-current of 2.1A above can even lead to broken USB Ports), and please search for B0759TZDWZ or B0753LL2R6 if you need more USB current. Their total USB Output: 8A, max up to 2.4A/port). SAFE & RELIABLE: RoHS, CE & FCC Certificates. This electric power strip outlet is lightning-proof, overload protected and surge protected and has a fire-retardant shell. It will automatically cut power to protect connected devices when voltage surge is detected. SPECIAL DESIGNS: Vertical outlet tower design provides enough space for each outlet, saves much space and cleans various cords in your working area comparing to traditional power strips; 6.5ft long cable wire at the bottom can be extended or retracted by rotating the tower, which saves space; A durable handle on the top is for your easy carrying; One switch at each layer helps save power and gives an easy control to the power strip surge protector. 100% SATISFACTION GUARANTEE: We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel free to contact us directly. 30-day money-back guarantee for any reason, 12-month warranty for quality-related issues. Turn on the switch; Unplug all USB cables and plug part of them again. Get help from us. Get help from us. Get help from us. The switch controlling USB Ports is not turned on; The total current of the usb device/devices exceeds the rated current output of the usb ports; The usb ports are dead when using(it is rare to happen). The USB plate of the product is detective from manufacture. Other reasons.