GTMax Hot Pink 3.5mm Metal Stereo Headset Handsfree Soft Gel Earbud with Microphone for Casio G'zOne Commando C771 Brand new GTMax Accessories. Lightweight & Stylish design & Low noise Keep your hands free and on the wheel. Built-in microphone for handsfree conversations. Cord mounted ON/OFF button which lets you take calls and hang up easily. Enjoy music with superb sound quality stereo headset.