For Sony Ericsson K750 / TM506 / W200i / W300i / W380 / W350 / W350i / W550i / W580i / W760a / W760 / W800 / W810i / Z310i / Z520 / Z750a Premium Plug-in Car Charger Charges the battery on your device while driving Comes with Intelligent Chip 34063 (Prevents overcharging and overheating) IC Chip recognizes a full battery & automatically switches to saver mode Can be used with input voltages from 12V to 24V DC (both car & truck)