The SHURE's BLX14/W85 is a lavalier wireless system features world-class design and rock-solid construction, as well as simple setup and operation. This wireless microphone included WL185 cardioid condenser lavalier microphone with windshield and tie clip, the BLX1 bodypack transmitter, and the BLX4R rackmount receiver with rackmount kit. The transmitters provide up to 14 hours of use with two AA batteries, allowing users to perform with confidence. Besides that, it is extremely adaptable, with single-channel, single-channel half-rack, and dual-channel receivers, as well as vocal, guitar, headset, and lavalier options. Furthermore, the flexibility to run up to 12 compatible systems per band safeguards uers's investment by allowing you to start small and scale up as needed.