Shure's WL Wireless mics are lavalier electret condenser microphones designed for use with a wireless body-pack transmitter. Each microphone has a 1.2 meter (4 ft.) cable terminated with a miniature 4-pin TA4F connector. The furnished tie clip can be rotated in 90 degree intervals for placement flexibility.The WL183 is an Omnidirectional mic. It's great for general purpose sound reinforcement, recording, or remote monitoring applications. It boasts low handling noise. Pickup angle is 360 degrees.