Cellet Universal 3.5mm Boom Mic Headset Headphone For Motorola Droid 2 A955 Special detachable ear loop rotates 360 degrees to fit either left or right ear. Built-in On/Off switch that will function on phones that support this feature. Patent protected Clear Sound technology provides high quality audio even under windy outdoor conditions and traffic noise. Universal compatibility: works with 3.5mm jack phones Gold plated 3.5mm mini jack for best possible connection, Flexible boom microphone allows easy adjustment.