Motorola Atrix 4G MB860 Photon 4G MB855 DROID X2 MB870 Droid 3 XT860 4G XT862 Droid Bionic(old) XT865 Droid X MB810 Droid 2 A955 DEFY MB525 Droid A855 Milestone Droid Bionic XT875 Motorola OEM SYN2356A Stereo Headset - Original (Universal 3.5 mm) Motorola 3.5mm Stereo Headset. Signature sound quality sound. This Stereo Earbud Headset allows you to enjoy stereo sound, from music or video, directly from your phone. The headset features a built-in microphone and answer/end button. The audio will mute automatically for incoming calls; simply press the button on the headset and start talking.