IDEAL XMAS GIFT: This portable rechargeable electric hand warmers not only keeps you cozy but also sports a unique stylish Christmas hat and an adorable butt design. It's a fun and heartwarming gift that's sure to bring joy to your loved ones and add a touch of holiday cheer. SAFE & RELIABLE: Our portable pocket heater boasts certifications from CE, FCC, and ROHS, constructed with high-quality aluminum and ABS materials. With its built-in smart protection system, it offers multiple safeguards against issues like overcharging, short circuits, and overload, ensuring your peace of mind during use. It's not just shockproof, heat-resistant, and explosion-proof but also radiation-free, guaranteeing a secure experience.