Size: 245*145*140mm Color box size: 245*163*150MM Weight: 655g Single piece with color box weight: 870g Material: ABS Color: White Product features: LED screen, touch buttons, clearly visible, easy to operate Vibration massage, relieves knee pressure and fatigue. Carbon fiber hot compress, low-grade heating 40 degrees, high-grade heating 55 degrees. Rechargeable lithium battery, safe and stable, long battery life. TYPE-C interface charging, common with mobile phone chargers. Package includes: 1*knee Notes on massager: 1. Please allow some errors due to manual measurement. Please make sure you don't mind before bidding. 2. Due to different monitors, colors may vary, please understand. Note: Hello, please pay attention to your shipping address when purchasing products. If your delivery information (e.g. name, street, house number, doorbell/email without name, etc.) is incorrect, your order will not be delivered correctly.