- Portable and Lightweight: This cordless bottle warmer ensures you can easily heat water or milk wherever you go, making it perfect for travel, camping, and picnics. - 300ML Capacity: With the ability to hold up to 300ml, this bottle warmer is designed to boil water for your coffee or quickly heat milk while on the move, ensuring you have what you need in any situation. - Safe to Use: Constructed from food-grade stainless steel, ABS, and glass, this rustproof and heat-resistant bottle warmer guarantees safe heating without altering the taste of your liquids. - USB Rechargeable: Equipped with a 5000mAh rechargeable battery, this portable warmer maintains the temperature of liquids for extended periods, ensuring hot drinks are always within reach. Use Scenarios: - Enjoy a hot cup of coffee during early morning road trips or outdoor adventures. - Quickly warm up milk for your baby at a picnic or while traveling, providing comfort on the go. - Prepare instant meals at your campsite by boiling water for noodles or soup without hassle.