Product Details ①. Keep hands warm and comfortable during work with a soft cover that protects and maintains warmth for focused task performance. ②. 3 temperature options (110-145°F) and 3 timing settings (2h/4h/8h) allow customization based on schedule and comfort needs. ③. Plug-and-play USB design with a small controller and long cable enables easy temperature selection when connected to a computer or laptop. ④. Soft, removable heating cover for easy cleaning and a padded wrist guard to ensure correct hand position without wrist pressure. ⑤. Anti-slip rubber surface prevents slipping during use, and an auto-off function avoids overheating for safe operation. Specification ①. Material: Soft heating cover, anti-slip rubber base ②. Temperature Range: 110-145°F ③. Timing Options: 2h, 4h, 8h ④. Power Supply: USB-powered (no rechargeable battery included, requires connection to computer/laptop) ⑤. Design Features: Removable cover, padded wrist guard, external controller with long cable Package List ①. USB Heated Mouse Pad Hand Warmer ②. Controller Warm Tips ①. Plug directly into a computer or laptop USB port; do not use with USB hubs or chargers exceeding 5V output. ②. Remove the heating cover before cleaning; hand wash or machine wash on a gentle cycle. ③. Place on a flat, dry surface to ensure the anti-slip rubber base functions effectively. ④. The auto-off function activates after the selected timing period to prevent overheating; restart by pressing the controller button if needed.