1. PERFECT REPLACEMENT: MM23 record player , perfect as a replacement or spare tape for many famous record players. 2. DELICATE SOUND: More accurate magnetic for a cleaner sound. Playing rock, pop, jazz and other types of music can make the sound more delicate. 3. SOUND FREQUENCY: can better control the , so that the middle frequency is warm and wide, the low frequency is full and flexible, and the high frequency is bright and dry. 4. COMPACT AND PORTABLE: Moving magnet is small and light, does not take up much space and will not add to the burden of the record player. 5. DURABLE DESIGN: Magnetic stylus is made of premium metal and ABS material, which is resistant to wear and tear and extends the service life. Item Type: Magnetic Tracking Force Range: 1.52.5 Channel Separation: 1dB At 24KHz Output: 4.2mV Frequency Response: 2020Khz Channel Balance: 1.5dB Suitable For: Record Player Colour:B: green+black Material:plastic Package Contents: 1 x Moving Magnet Cartridges Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.