Wireless Technologies Premium Vehicle Power Charger for Sony Ericsson K750, W600, W800, Z520a Thick 4mm coil cord and extra long strain relief withstands wear and tear and extends beyond 6 feet Quickly charges most batteries in 1 to 2 hours Premium components and a sleek form design Protects against short circuit & overcharging Compatible with Sony Ericsson D750, K750, W550, W600, W800, Z520a