Ships within 24 hours. Please read profile. New. Selling as it is no longer needed, unused. I do not know the detailed specifications or how to use the product. Excerpt from the sales site below ↓↓↓ Ice Belt 18°C PCM for Forehead Heatstroke Prevention Headache Cooling Goods Cooling Sheet Cold Sensation Fever Fever Reducer Father's Day Gift Spot Cooler for Adults and Children Brand: Genki Ice Color: Gray [Gentle and lasting coolness, recommended for stuffy nights and fever] Simply chill in the freezer, and the gentle coolness will comfortably wrap around your head. It is widely useful for heatstroke prevention, cooling during sleep, sudden fevers, and situations requiring concentration. Compared to cooling sheets or disposable types, it provides a longer and milder cooling sensation. [Secure fit for head, forehead, and neck, designed to prevent slippage] The band type with full Velcro allows for a perfect adjustment regardless of head size or hairstyle. It is designed to prevent slippage even when tossing and turning, making it comfortable for children and adults alike. It is difficult to dislodge even when moving, allowing you to sleep with peace of mind. [Can be used on both sides to adjust coolness, suitable for sensitive skin] If it's too cold immediately after freezing, you can adjust the coolness by using the reverse side. It is made with skin-friendly materials, making it safe for sensitive skin and children. You can use it comfortably with just the right amount of coolness according to the user's constitution and preferences. [Economical and eco-friendly as it can be reused, with a washable cover] The cooling unit and fabric cover can be separated, and the cover can be hand-washed to keep it clean. The cooling unit can be reused many times, making it an economical and environmentally friendly design. [Dedicated cover sold separately] [Supports concentration during study and work, also ideal as a gift] It is also perfect for refreshing yourself in situations where your head gets hot, such as during work, telework, or exam studies. It is lightweight and quiet, easy to use, and makes a great Father's Day or summer gift, or a heatstroke prevention item. It is also recommended as a substitute for a spot cooler for those who don't want to overuse air conditioning. 42829