USB Wall Charger Block,USB Charger Adapter,AILKIN 5V/2.1A/4Pack Wall Charger Block Fast Charging Station Power Base Charger Block Plug Brick for iPhone Wall Charger

this is the best plug in charger ive found thus far, it alows a fast charge, i have multiple different mp3 players and thought they were damaged as they would not charge fully and would get warm when charging, until i hooked them to this adapter, no more warmth and gets fully chargede, i leave 2 phones plugged in most of the day and so far not a problem with overcharging or getting warm. i purchased more of these only because when i find something that works this good im afraid they will stop making them.

These USB adapters are very useful and do the job just fine. In some power strips you can put them closer together. They can accomodate two USB plugs at a time making charging more than one thing a lot faster.