Output voltage under tested conditions: at 1 kHz, when the vibration velocity in the left or right direction is 3.54 cm/s or the lateral vibration velocity is 5 cm/s, the output voltage is within the specified value (250 mv / 4 dB) / (200 300 mv). Comprehensive packaging protection: the stylus features a ruby tip and a plastic body. Hard plastic packaging protects the stylus and maintains quality, suitable for a wide range of record players. Easy to install: simple, tool installation and replacement; wear resistant design for durable use. Key attributes: ruby stylus tip, plastic housing, wear resistant construction, compatible with multiple turntables, reliable output voltage under specified test conditions. Use scenarios: Replacing a worn stylus on a turntable to restore tracking accuracy and sound clarity. Upgrading a turntable to improve compatibility with a variety of records. Replacing in a home audio setup to extend the life of the turntable and maintain consistent output.