For smartphones, DSLR cameras, camcorders, audio recorders, PCs, and other devices, the BOYA BY-M1 Lavalier Microphone is a clip-on microphone. With a 6M (20ft) cable, the BY-M1 is the perfect electret condenser microphone for high-quality sound recording in interviews, podcasts, speeches, conferences, vlogs, and video production. It is incredibly practical for recording over long distances. LR44 battery, one foam windscreen, a 1/4" adapter for your use, a lapel clip, and an additional windscreen and clip as a gift BOYA WARRANTY: a 12-month product guarantee and after-sales support; please get in touch with us if you're not happy with our product.