Heating Table Mat Learning or Working Without Freezing Hands

Safety Voltage: No need to worry about electric shock, No need to worry about the safety hazard caused by leakage 20s Speed Heat: No need to wait for a long time, you can feel the warm temperature soon Power Saving: Constant temperature, Continuous heat storage without loss Multi-speed Temperature Control: Precision temperature control switch, Two temperature options Four Layers of Safety Protection: Top waterproof layer, PU pattern layer, Heating element layer, Wear-resistant waterproof layer Material:  PU Leather Color:  Black Brown Green (Two other patterns) Heating Material:  Carbon Crystal Heating Film Power:  55 W Size:  23.62 inch Length * 14.17 inch Width Net Weight:  350 g Products Contains: Box, Warm table mat, Charger, Instruction manualNote:1. Do not scratch with a sharp tool to indicate leather.2. Do not cover the hand warmer in a large area during use to avoid overheating the table mat.3. Do not place the table mat under the glass plate or on the glass table.4. Pl