Nickel (Ni) 24.26mm Metal Disc 99.9% Pure for Collection or Experiments auspowers_batchfive other headphones with a USB-C

other headphones with a USB-C charging port

very sturdy and durable

4V 500mAh Battery Pack iMah Ryme B13 27910 89-1323-00-00 3

Compatible With H81

Nickel (Ni) 24.26mm Metal Disc 99.9% Pure for Collection or Experiments auspowers_batchfive other headphones with a USB-CNickel (Ni) 24. 26mm Metal Disc 99. 9% Pure for Collection or Experiments Nickel is a chemical element with symbol Ni and atomic number 28. It is a silvery white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile. Pure native nickel is found in Earth's crust only in tiny amounts, usually in ultramafic rocks, and in the interiors of larger nickeliron meteorites that were not exposed to oxygen when