Fosmon Micro USB Value Pack Bundle for Nokia Lumia 520, 521 4g - Includes Home/Travel Charger, Car/Vehicle Charger and USB Cable Recharge your Nokia Lumia 520, 521 wherever you go. USB Cable: 2-in-1 cable for charging power and transferring data simultaneously Vehicle Charger: (12~24v DC), Short circuit protection. LED charging indication Both chargers have integrated circuits for overcharging protection