Description Product material: Silicone + ABS Battery: 1800MA Voltage: 3.7V Product size: 9.5cm (diameter) * 9.5cm Product packaging size: 10cm * 10cm * 11cm Single weight: 330G Packaging details: host, manual, charging cable Features Main function: vibration massage, muscle relaxation 1. Accurate positioning: The fascia ball can accurately locate the painful area, perform precise massage, and help muscle relaxation. 2. Multi-function use: Not only suitable for fitness yoga recovery, but also can be used to relieve muscle fatigue caused by long-term sitting in the office. 3. Multi-speed vibration: It has multiple vibration modes, which can be adjusted according to personal preferences and needs to meet the needs of different users. 4. Portable and portable: Small and light, easy to carry, you can enjoy a comfortable massage experience anytime, anywhere. 5. Improve circulation: Vibration massage can promote blood circulation, help relieve muscle soreness, and improve the body's sports performance. Comments: 1. The manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. The SKU color is the color of the product packaging Package Included: 1 * Vibration Massage Ball