EMPIRE Motorola DROID 4 XT894 Design Hard Case Cover (Green Plaid) + Stereo Hands-Free 3.5mm Headset Headphones [EMPIRE Packaging] Compatible with Motorola DROID 4 XT894. Engineered to fit device perfectly, with cut outs to allow for full device functionality. Headset is light weight, compact, stylish, and very comfortable to wear. It's built in microphone produces crystal clear voice reproduction. EMPIRE is a registered trademark with the USPTO.