ALDNMBR Toroidal Coil Pendant, Type C Powered Copper Wire Necklace, 10w 50hz, Adjustable Lanyard, Magnetic Test Balls, For Science Education And Desktop Display

Toroidal Copper Wire Design: This toroidal coil pendant features a finely wound copper wire structure with a compact 50 × 71 × 18 mm design and a net weight of 45 g. Equipped with an adjustable lanyard, it can be worn as a necklace or placed on a desktop as a distinctive science-themed display. Type C Powered Operation: This portable coil display operates with a 5V 2A power supply, delivering 10W rated power at a 50Hz operating frequency. The built-in 80-gauge copper winding measures 2.8 meters in length, while the Type C power connection provides a convenient way to supply power. Compact and Portable Construction: Featuring a distinctive black and gold woven appearance, this copper wire coil combines a compact structure with convenient portability. Its lightweight design makes it suitable for home display, science hobby collections and educational workspaces. Complete Accessory Set: The package includes 1 coil pendant, 1 adjustable lanyard, 1 Type C power cable, 1 5V 2A power adapter and 1 set of magnetic test balls. These accessories provide the basic components for setting up and displaying the coil unit. Versatile Display and Educational Use: Suitable for science demonstrations, STEM learning environments, physics classroom displays and personal hobby collections. This toroidal coil ornament can be used as a wearable accessory or desktop display piece, making it an interesting gift option for science enthusiasts.