Compatibility: With standard 3.5mm port, can be used with most of smartphones, tablets, laptops, cameras, camcorders, DSLR, DV and so on; Comes with a 6.35mm adapter, suitable for various loudspeaker boxes, so practical. Professional Mic: The electric condenser omni-directional microphone has wide frequency range (65Hz-18KHz), high sensitivity(-30dB±3dB/0dB), Signal/Noise 75dB SPL, great pick-up effects, make the sound quality reach the professional level. Wide Application: Clip-on design, can be fixed on the neckline of your tie or shirt; Widely used in various occasions such as live recording, video recording, webcast, video presentation and so on. Practical: The length of cable is about 6m / 19.7ft, totally long enough for use in various occasions; With 1pcs LR44 button battery, switch control the power, Camera(On) / Smartphone(Off). Useful Accessories: Comes with a fur windshield and a foam windscreen, for better recording effects; Supplied with a hard shell protective case, convenient for storage and carry.