Wonnoo Tech Full 5V 2.5A Auto Smart Power Supply with Switch On/Off For Raspberry Pi 3 Easy Start / Reboot Raspberry Pi with On / Off Switch , Bonus 2pcs of Heatsinks More Convinent Removable Design : USB Port Adapter & Micro USB Cable Separately One for All Compatible with all Raspberry Pi including the Pi 2 and Pi 3 Full Output 5V DC 2.5A Regulated Input 100V to 240V AC 5' feet (1.5 meter) Lenth , 4 mm width Micro USB cable guarantee the Short Charging Time