Wireless Cell Phone Charger Delivers up to 10W for Apple and Samsung Phones Who wants to plug and unplug power cords when you just want to charge your cell phone? The U280-Q01FL-BK makes charging more convenient by doing it wirelessly. Just place your Qi-certified device on the round charging pad. That's all there is to it. This wireless phone charger even works through most protective phone cases up to 5 millimeters. Compatible with Qi-Certified Cell Phones to Ensure a Safe, Flawless Charge The U280-Q01FL-BK works with all Qi smartphones from Apple, Sony, LG, Samsung and other popular brands. It protects your expensive device from overheating and overcharging that could lead to internal damage. An LED glows blue to indicate the charging process is underway and changes to red to let you know your phone is at 100%. The portable lightweight pad is just four inches in diameter, so it fits easily on your desktop or bedside table. An included USB cable connects the charger to a user-supplied QC USB wall charger or power adapter (QC 2.0 or 3.0 adapter is recommended for high-speed charging).