Boya BY-M1 is an Omni directional lavaliere microphone, designed for smartphones, DSLRs, camcorders, audio recorders, PCs, etc. With Omni pickup pattern, for complete 360 ‚ coverage, it gives you completely the chance to catch everything in your sight. In addition, an integrated 6 metre (20) cable with a 3.5 mm 4-pole gold plug is only the second thing to connect to your smartphones and most of your cameras. One hundred percent is a strong choice to choose from. Super sound for presentations and video audio recorders Please note: for smartphone: switch off the microphone. Slide ON OFF to OFF Smartphone. br DSLR, Camcorders, Audio Recorders, PC, etc.: Turn to the microphone. Slide ON OFF to ON. Clip-on for smartphones, DSLRs, camcorders, audio recorders, PCs, etc. Omni Directional Microphone Condenser. The high-quality condenser is suitable for video use. Low noise handling. Transducer type: Electret polar condenser Model: omni-directional frequency range: 65Hz-18KHz Signal noise: 74dB SPL. Sensitivity:-30dB + -3dB-0dB-1V Pa, 1kHz. Output impedance: 1000 Ohm or less output connexion: 3.5 mm (18) 4-pin gold plug Battery Type: LR44 (included) Dimension: microphone: 18.00 mm x 8.30 mm x 8.30 mm. Audio cable: 20 ft (6.00 m) Weight: 2.5 g. Module of power: 18 g. Box Contents: 1 Boya Omnidirectional Lavaliere microphone condenser-20 ft audio cable, 1 lapel clip, 1 foam windscreen, 1 14 connector, 1 LR44 battery and 1 English user manual. br Clip-On Myc br Strong quality condenser br Audio Cable: 8 ft. br Frequency range: 65Hz-~18KHz.