Olympus ME-15 Mini Tie-Clip Microphone Olympus ME-15 Tie-Clip Microphone is a Mini Microphone that can be clipped on a Collar, Tie or any similar item with a simple pinch of the clip. The ME-15 Microphone has a Wide 100-12,000 Hz frequency response and a 2.2 kOhm output impedance. ME-15 Microphone weight only 11 grams and has a 3.3 cord for connectivity convenience. The connecting clip is only 3.5mm making the ME-15 Microphone an overall great item usage and concealment. Includes a HeroFiber Ultra gentle cleaning cloth designed for cleaning electronics and accessories.