Upgraded graphene heating: The unique graphene heating element heats quickly and quietly, delivering odor warmth that is comfortable and not bulky. It provides rapid, uniform heating,Designed to prevent burns and overheating for safe, cozy heat in winter. Multiple security protections: Includes overheating protection with automatic poweroff, and a dumping (tipover) poweroff function. Enhanced insulation guards against humidity and tipping, helping the unit stay safe and reliable. Flat plus standing dual use: Flat design for easy foot warming while seated at home, and an upright standing configuration to warm your legs when you are at work or on the go. Multiscene, multidirectional silent operation supports both home and office use. 4 hours automatic power off: Builtin 4hour auto shutdown protection, so you can use it with peace of mind even if you forget to turn it off. Use scenarios: At home while relaxing: place the unit on the floor or under a desk to warm your feet while watching TV, reading, or lounging. At work or on the move: switch to standing mode to warm your legs when you stand at a desk or move about during the day. Quick warmth after outdoor time: step on the heater in a hallway or entry area to quickly warm up before you settle in for chores or tasks.