PowerBlock Universal USB Charger with ChargeSensor Technology,Best charging for USB-chargeable devices Type: Wall Charger Compatible Phone Manufacturer: Universal Features: Compatible with most USB-powered devices For use with your existing mobile phone or tablet. The type-A USB socket accepts most USB charging cables. ChargeSensor technology Determines the amount of energy required to charge your device and delivers it accordingly. The charger can provide up to 10W of power. Plugs into 100V to 240V AC outlets For versatile use. Low-profile design Weighs less than 2 oz., so you can take the charger with you on the go. PVC and copper materials Provide durability.