A. This professional unresponsive yo-yo is suitable for advanced players to perform 1A/3A/5A skills. It has a long sleep and spin time, making it suitable for intermediate, expert, advanced players, and adults. B. Balance: Designed as an aluminum high-speed professional unresponsive yo-yo. Exquisitely crafted with uniform weight distribution, allowing users to feel the beauty of symmetry. Additional weight is added to the edges to enhance performance. It is recommended for children's daily practice or competition use. C. This professional yo-yo is a slow-response offstring yo-yo with wide application. It provides a good yo-yo experience for children and is also suitable for advanced players to practice. You can learn more yo-yo skills (1A, 3A, 5A) and practice through online videos. It is recommended for daily practice or competition. D. This elegant aluminum trick yo-yo is a suitable gift for children. It features a beautiful reverse color-anodized reverse splash pattern, creating a unique style, with each yo-yo's hand-splash pattern being unique. It supports stable and fast running, allowing users to perform more tricks. E. This yo-yo is a suitable choice for beginners or anyone looking for a performance yo-yo. It can be a gift for children on occasions such as birthdays, Thanksgiving, and Christmas. F. Skill descriptions: 1A: Place the yo-yo on the rope and create a rope layer; this is a common way of playing. 2A: Circulation skills, basically using 2 yo-yos to swing back and forth. 3A: Essentially 1A with 2 yo-yos. 4A: Offstring play; when the rope is not connected to the yo-yo, you can launch the yo-yo completely off the rope, an interesting style similar to juggling. 5A: When the end of the string is not connected to your finger but has a counterweight, allowing you to let go of the yo-yo and perform various tricks. G. Specifications: U-shaped with 10 balls; Diameter: 55.9mm; Axle: 4.6mm; Weight: 65g. H. Note: 1. Yo-yo string should be changed periodically when it becomes defective to improve performance. If worried about noise, a little oil can be applied to the bearing. 2. Due to small components, not suitable for children under 3 years old. To maintain the visual integrity of the aluminum, be careful during use. 3. Do not play on hard surfaces like stone or concrete, and keep a safe distance from people, pets, or fragile objects. I. Color: camouflage blue; Material: Aluminum ABS. J. Package Contents: 1 x yo-yo, 10 x ropes (random color, no color selection available). Only the above items are included; other items are not. K. Note: Light and different displays may cause the item's color to slightly differ from the real thing. Measurement error is allowed within +/- 1-3cm.