▶︎ Immediate purchase and silent purchase are welcome (^-^)v Feel free to ask questions in the comments. I will reply within 24 hours. ◾️ Product Brand: RUSEPIN Model Number: TC06 Pro Color: White Size: Depth 70 x Width 30 x Height 60mm Contents: Fan * 1, Charging cord * 1, Instruction manual * 1 The industry's first "ice and heat" neck cooler is here! 3-stage fan mode, 3-stage cooling mode, and 3-stage heating mode - a 3-way function. Can be used year-round, regardless of the season. The upgraded cooling plate on the back of the neck achieves a 150% expansion of the cooling area, far exceeding industry standards. Aluminum plates with high thermal conductivity and reflectivity instantly start heating and cooling. You can feel the coolness and warmth in about 1 second. Temperature drops to MAX -19℃. The cool feeling of having a cold aluminum can in contact with your skin is transmitted from your neck, allowing you to spend even the hottest days comfortably. 10000mAh large-capacity battery - Long-lasting use possible. Up to 20 hours of continuous use is possible (weak mode only), providing comfort without worrying about battery shortage even when active from morning till night. ◾️ Condition Please note that we cannot accurately answer questions about the period of use. The accessories are all that are shown in the photos. Please check the condition of the product carefully in the photos to prevent any problems. Operation confirmed ✨ Slight discoloration on the neck rubber. No smokers, no pets. ◾️ Packaging After simple cleaning, I will carefully pack it in air cap. Please understand that we will pack it as small as possible to reduce shipping costs. Although we thoroughly inspect the product, Please understand that it is a used item. No claims and no returns. If there is an initial defect upon arrival of the product, We will provide a partial refund or a full refund. To prevent any problems, please refrain from purchasing if you are looking for a product in new condition.