===under info was translated buy computer===
When tired, it can effectively relieve wrist soreness, prevent mouse hand to exercise arm muscle group, outdoor relaxation and cool 1. Fun decompress 2. Gravity challenge 3. Wrist force training mechanical power, no power supply, metal ball core, beautiful and durable, can be suspended spontaneously colored lights, enjoy force and beauty engineering grade PC material, quality selection, strong anti-fall special wrist rope, portable and safe, different models, different prices!! Please consult before purchase!!contact supplier or email to admin@b2bgood.com for purchase help