PREMIUM CELLET RETRACTABLE CAR CHARGER for SONY ERICSSON D750, J220, K750, K790, P990, W300, W600, W700, W710, W800, W810, Z520, Z525, Z520a, Z525a, W600i, W550, W300i, W810i 100% retractable wire vehicle adaptor Features an intelligent IC chip that prevents overcharging and overheating Intelligent IC chip inside recognizes a full charge and automatically switches to a saver Takes up minimum space: less than half the size of your palm. With its tangle-free wire, it is very easy to put away Compact, lightweight, portable, high performance