1-60 km Optical Fiber Red Light Pen 5/10/15/20/30/50/60MW Red Light Source Light Pen, Specification: 30mW Purple Filter-Fiber Receiver Product material: aluminum alloy +

Product material: aluminum alloy + precision disc pen head + silver fiber cloth head

Suitable for Audio-Technica ATH-M50X / ATH-M40X and other types of headphones

Initial password 0-0-0-0

40HQ: 1164 cartons * 512 pcs = 595968 pcs

lightweight and durable

1-60 km Optical Fiber Red Light Pen 5/10/15/20/30/50/60MW Red Light Source Light Pen, Specification: 30mW Purple Filter-Fiber Receiver Product material: aluminum alloy +1. Material: ABS, aluminum alloy, electronic components 2. Features: high performance, laser chip, pulse continuous wave 3. Output power: 1 60mW 4. Wavelength: 650nm 5. Universal interface: 2. 5mm (FC SC ST LC) 6. Working temperature: minus 10 60 degrees Celsius 7. Batteries: AAA batteries x 2 (batteries are not included in delivery) 8. Standard interface 2. 5mm, suitable for FC SC ST LC 9. The metal head ceramic core can be replaced by yourself 10.