Features: For professional recording environment, the microphone captures clearer, more accurate sound. The microphone support low distortions characteristics, can not lose the sound details effective suppression of background noise. Durability and reliability: microphone withstands long periods of use, maintain stable performances! Wide applications, can be used in a variety of scenario, including music performances, recording studios, speeches, meetings, etc., to meet the requirements of different areas of sound quality and reliability, suitable for professional users of auditory recording can also be used to produce auditory content. Professional sound effects: Capable of capturing and reproducing the nuances and expressiveness of music and sound. Specifications: Size：about 240x50mm/9.44x1.96n Color:Optional Support: BT5.0 Frequency: 100HZ-20KHZ Battery capacity: 2000mAh Voltages: USB 5V Working Time：about 10hours Package Includes: 1PC Wireless Microphone note: Due to problem of lighting,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurement