It records in omni-directional pattern, which means it picks up sound equally well from all around the microphone. BOYA BY-M1DM BOYA BY-M1DM is an Omni directional lavalier Dual-Head microphone, designed for Smartphones, DSLR, Camcorders, Audio recorders PC etc, it is perfect for video use. The BOYA BY-M1 Pro is an universal lavalier microphone, which compatible with smartphones, PC, cameras, audio recorders,and other recording devices etc. (included) Item model number BY-M1DM Compatible Devices Smartphones, cameras, camcorders, audio recorders, tablets,and other audio/video recording devices Special Features Boya Manufacturer BOYA Model BY-M1DM Model Name BY-M2 Product Dimensions 15.24 x 11.43 x 5.08 cm; 68.04 Grams Batteries 1 LR44 batteries required. The mic weighs 2.5g and includes the foam windscreen and a lapel clip. On it's compact body, there are a few special and useful functions that distinguish BY-M1 Pro to other general microphones in the market. BOYA BY-M1 is an electret condenser lavalier/clip on microphone. The BOYA BY-M1DM is a Dual Lavalier Universal Microphone, with a single 1/8" stereo connector, it can be used with smartphones, DSLR cameras, camcorders, audio recorders, PC and other recording deceives. ... No need to install battery when using the microphone with a smartphone or a laptop. With Omni pickup pattern, for full 360° coverage, it absolutely gives you the possibility to capture anything in your sight.