You can simply use a USB charger to charge your smartphone, but if you also need to sanitize your phone, the PhoneSoap UV smartphone sanitizer may be more suitable for you.
The PhoneSoap UV smartphone sanitizer is a portable and practical smartphone companion that measures 7.6 x 5 x 1.8 inches and works with various smartphones. As we can see from the images, the smartphone sanitizer features sleek minimalistic design, and comes with built-in UV-C light in order to use short-wavelength ultraviolet radiation to sanitize your smartphone, while standard 5V USB port makes the sanitizer double as a phone charger to charge your smartphone. Apart from that, your phone is still audible inside the sanitizer.
The PhoneSoap UV smartphone sanitizer comes in black and white, each one is priced at $49.99 USD. If you’re interested, jump to ThinkGeek for more details.