Sennheiser Ear Set 1 4-3, condenser earset microphone with MKE1 capsule, light tan, omni-directional, 20 - 20.000 Hz +- 3dB, 1000 Ohms, 143 dB SPL max, diameter capsule 3,3mm, diameter microphone arm 1,1mm, removeable cable with 1,6m length, Sennheiser 3 pin Lemo connector fits for SK 50/250/2000/5212, set includes: 1x microphone, 1x clamp MZQ 02, 1x small frequency cap MZC 1-1, 1x large frequency cap MZC 1-2, 1x adhesive tape, 1x plastic case, 1x manual, 1x cable with silicon tube