EMPIRE Motorola DROID 4 / DROID RAZR / DROID RAZR MAXX / i940 / ATRIX 2 MB866 / Admiral XT603 29" Retractable USB Data Cable (Black) + Car Charger + 20"-36" Stereo Auxiliary Cable [EMPIRE Packaging] Compatible with Motorola devices. USB cable transmits data up to 480 Mbps & provides error free high speed performance. Charger has intelligent IC chip which helps prevent device from overcharging. Stereo cable may vary in length from 20"-36". EMPIRE is a registered trademark with the USPTO.