High-concerned chemical: None Inbox adaptor: Yes Needle life: 120H Output When the frequency is 1KHZ, the sound vibration V in the L direction or R direction is 3.54CM/S or the lateral sound channel vibration speed is 5CM/S. The output is 3.0mV±3dB Acupressure, when testing the tracking for head tracking ability and electrical parameters, should be measured within the 40±MA needle pressure Features: 1.The moving pickup is high output, and the is not required. 2.The for head is more accurate and the sound is more Playing rock, popular, and other types of music can make the sound more delicate. 3.The life of the for head is generally 4 times that of ordinary piezoelectric cartridges, better durability. 4.The for head can better control the tone color, make the frequency warm and wide, the low frequency is full and flexible, and the high frequency is bright and dry. 5.Paratoroidal coils improve generating efficiency 6.Stylus's multilevel also wears better than other styli, while reducing the wear on your records 7.Wonderful accessory for phonograph, vinyl record player. Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Color: As Shown Material: Metal Package Contents: 1* record player stylus