The BOYA by-W4 Wireless Lavalier Microphones is a clip-on microphone that is compatible with cameras, camcorders, DSLRs, and computers. It has an omnidirectional polar pattern and an audio sensitivity of 42 dB. The package dimensions are 6.81 x 3.78 x 2.4 inches and it weighs 0.6 pounds. It features a volume control and connects via a 3.5 mm (1/8 in) TRS. The microphone is made of Acrylonitrile Butadiene Styrene and comes in black.