SM-777 Collar microphone audio adapter lapel mic  (3.5MM switch to 6.3MM) lapel microphone is designed for the stage and various pickups. Like musical instruments pickup. With voice cancelling condenser cartridge, it can effectively eliminate the the spot noise. And through the cap of precision and debugging of short range effect, ensure far and close distance pickup both have a balanced frequency response. Of Hi-Fi, clear and nature sound, it is no doubt the ideal mouth pickup products.SM-777 Collar microphone audio adapter lapel mic  (3.5MM switch to 6.3MM) lapel microphone is designed for the stage and various pickups. Like musical instruments pickup. With voice cancelling condenser cartridge, it can effectively eliminate the the spot noise. And through the cap of precision and debugging of short range effect, ensure far and close distance pickup both have a balanced frequency response. Of Hi-Fi, clear and nature sound, it is no doubt the ideal mouth pickup products.SM-777 Collar microphone audio adapter lapel mic  (3.5MM switch to 6.3MM) lapel microphone is designed for the stage and various pickups. Like musical instruments pickup. With voice cancelling condenser cartridge, it can effectively eliminate the the spot noise. And through the cap of precision and debugging of short range effect, ensure far and close distance pickup both have a balanced frequency response. Of Hi-Fi, clear and nature sound, it is no doubt the ideal mouth pickup products.