BOYA BY-M1 is an Omni-directional Lavalier microphone, designed for Smartphones, DSLR, Camcorders, Audio recorders PC etc, it is perfect for video use. With Omni pickup pattern, for full 360 coverage, it absolutely GIVEs you the possibility to capture anything in your sight. Moreover, the integrated 6 meter (20 Foot) cable with 3.5mm 4-pole gold plug is just a second thing to be connected to your smartphones and most of your cameras. 100 percent a good choice to be picked. Super sound for presentations and video audio recorders Kindly Note: 1. For Smartphone: Switch off the microphone. Slide the ON/OFF up to OFF/Smartphone. The power is shut down. 2. For DSLR, Camcorders, Audio recorders, PC: Switch on the microphone. Slide the ON/OFF up to ON. Compatibility: Smartphones, DSLR cameras, camcorders, audio recorders, PC, laptops tablet Feature: Omnidirectional condenser, clip-on mic, battery type: LR44,360 degree coverage Use: Confrence, presentations, vlogging, live broadcast, selfiestick, news capture Size: Product size: 18 x 8.3 x 8.3 mm, cable length: 6.0 m, product weight: 2.5 gram, material: ABS and rubber Package contents: 1 x microphone, lapel clip, LR44 battery, foam windscreen, 1/4" audio adapter