Features: Specifically for portable recorders and microed devices, this demagnetizing head efficiently removes magnetic noise, preserving auditory quality and extending the life of your recording equipment. With internal microed permanent magnet or weak magnetic, it offers high efficiency demagnetization without requiring any power supply Ideal for professional sound engineer, music enthusiasts, recording equipment maintenance personnel, and related technicians enhances their auditory experiences. Perfect for recording studios, home recording environment, radio stations, and music production studios, ensuring optimaled performances across various setting. This accessory is compatibles wide ranging of recording devices, making it essential tool for achieving hifi sound in both professional and auditory setups. Specifications: Size:about 20x18x8mm/0.79x0.71x0.31in Component:ABS Quantity: 5/10PCS Package Includes: 5/10PCS Erase Magnetic Head note: There might be a bit color distortions due to different computer resolution There might be 1-2cm size errors due to different computer resolution