•High-quality 2188 bearing, ultra-quiet bearing, can be disassembled, can replace the bearing, static running time up to about 3 minutes •Round ball desktop gyroscope, complex production process, fine workmanship, anodizing, polished mirror effect, super quiet when rotated, looks beautiful and elegant •It can be used to rotate on any desk or flat surface. Spin quietly and without disturbing others •Put it on your hand, and gently rotate it with your finger, you can rotate it again and again •It is like a dynamic sculpture that changes its pattern with the direction and speed of rotation. 360 view, enjoy different visual effects from different angles Specification: •Material: aluminum alloy •Net weight: 190g •Diameter: 55mm Package included: •1 x Gyro