The Griffin Universal PowerBlock charger resist mobile accessory’s cell phone segregation and provides compatibility with any cell phone with a microUSB. The only other required accessory for function is a USB cord to connect your phone with the charger. Not only does the charger provide an electric stream to mobile devices, but also to MP3 appliances. In a nutshell, the accessory is an all-in-one, at home charging solution. Why not purchase the accessory that will prove effective for any other mobile or electronic, USB based device you buy in the future? At such a low price, there’s no reason not to.