?Plug and Play? - No battery required for operation. An external on/off switch on it for easy control of audio (Push up is ON, push down is OFF). When the microphone is not used, you can turn it OFF using the switch without unplugging the cable. ?Integral Cable with 1/4” plug?Equipped with 10 feet (3.08M) wire for a large moving range; no distraction from the limited wire length anymore; Compatible with karaoke machine, amplifier, mixer, PA system, speaker. Allowing the karaoke microphone to be directly used for the speaker, amplifier or mixer. Superior construction of the mic cable can isolate external electromagnetic interference and make the sound transmission more clearly. ?Premium Construction ?- Great construction ensures long life. This dynamic microphone is constructed out of premium ABS for durability and strong resistance to impact.Rugged design, extremely lightweight, very durable; Wide frequency response of 100-10k Hz; High gain before feedback, which makes the sound superior.Durable design. ? High Sound Quality ?Cardioid pickup pattern captures the main source while minimizing background noise. Large diaphragm can achieve clear high gain and rich bass with no feedback. Perfect for Live vocal, Karaoke, Speech, singing. ?Unidirectional &Cardioid Dynamic Microphone? CAROL’s wired dynamic microphone features a cardioid pickup pattern for greater gain while simultaneously minimizing background feedback. Perfect for karaoke machine, stage performance, wedding, church, interview, etc.