【Eye Sauna Experience & Warming Eye Mask】Experience a deep warmth that envelops your eyes like a sauna, combining heat and vibration. Gentle Japanese voice guidance navigates operations. Close your eyes, escape the everyday, and enter a relaxing time. 【Gently Warms! 3-Level Heat Adjustment】Features 3 adjustable temperature levels (High 48℃, Medium 43℃, Low 38℃). Choose the perfect warmth for your needs, whether it's during a break from desk work or before sleep, adapting to the scene and your condition. 【Japanese Voice Guidance & Reliable Support】Gentle Japanese voice guides you through usage. The timer settings and end of operation are announced by voice, allowing for easy operation with your eyes closed. This user-friendly design lets you focus on relaxation without confusion. 【Large Capacity USB Charging & Portable】Built-in 1000mAh large capacity battery allows for repeated use. Rechargeable via USB-C cable, eliminating waste associated with disposable types. Compact and cordless, it's easy to take with you on business trips or travels. 【Washable & Economical with 365-Day Warranty】The cover that touches your skin is washable for constant cleanliness. More economical than disposable options, it lasts longer. Plus, it comes with a "365-day manufacturer's warranty" to ensure product reliability. Hot Eye Mask Rechargeable [Gently Warms & Eye Sauna Experience] Sleep Eye Mask with Japanese Voice, Eye Warmer, Relaxing, Reusable, 3 Temperature Modes, Cordless, Light Blocking, 3D Design, Sleep Aid, Sleep Improvement Goods, Unisex, with Japanese Instruction Manual, Gift