The QuantumZERO 4-Port USB Desktop Charger is designed to consolidate all your USB-wall-charging needs of power hungry gadgets. With huge 30W power and 6A to share, this charger simultaneously powers-up 4 devices. Product Features: SmartQ technology – smart Amphere selection for fast charging QuantumZERO QZ-WC02 4-port USB desktop charger is built with advanced SmartQ technology. You do not need to worry about which port (which Ampere A) to chose from. Indifferently chose any port. Each charging port can smartly identify the device connected and its input Amphere requirement. Discharges the optimum Amphere A as needed by the device and choses the best charging mechanism to charge the device at maximum speed possible. The common charger Consolidate all your USB wall charging needs. Cell phones, tablets, MP3 players or any 5V USB input device, leave your device specific chargers; rely only on QZ-WC02. Perhaps this is a common charger for your entire family. USB power, right on your desktop QZ-WC02 extends USB wall power right on to your desktop or possibly at your arm’s length. Home or office, it is the ultimate desktop charging station, which is always within your reach. Easy charging accessibility for all at once, at one place. We know you got multiple mobile devices, need easy charging accessibility for all at once, at one place. QZ-WC02 is designed to do the exact same job. Henceforth no short of outlets, no ‘device in waiting for charge’ or no vigil-keeping on charging at various places. Massive power QZ-WC02 is packed with massive 30W power, 6A to share – enough to fill-in charge to 4 mobile devices simultaneously. Product Specifications: Product Name: QuantumZERO 30W 6A 4-Port USB Desktop Charger. Product Model: QZWC02. Input: AC 100-240V. Power: 30W. Output: USB 5V, 6A (total). Maximum Current per Port: 2.4 A. Charger IC: UC2635. Dimensions: 90 x 90 x 28 mm. Weight: 173 g. Color: Black, Matte.