【Microphone】 Shoe shape: Multi-interface shoe ● Main unit power supply method: Multi-interface shoe ● Battery type used: Built-in lithium-ion battery ● Type: Electret condenser type ● Monaural / Stereo: Monaural (built-in microphone) / stereo (external microphone input terminal) ● Directivity: Omnidirectional ● Operating temperature: 0 ℃ ～ 40 ℃ Storage temperature: -20 ° C to 45 ° C [Microphone (transmitter)] ● Maximum external dimensions (approx.): 30.6 x 67.6 x 19 mm ● Mass (approx.): 27g ● Material: ABS 【receiver】 ● Maximum external dimensions (approx.): 34 x 28.7 x 53 mm ● Mass (approx.): 28g ● Material: ABS 【accessories】 Wind screen x 1, pouch x 1, recording cable x 1, micro USB cable x 1, terminal protection holder x 1