This is a beige hot water bottle that is rechargeable and can be used for approximately 8 hours. - Brand: nuku² - Product Name: Cordless Soft Warmer - Type: Hot water bottle - Color: Beige - Power Source: Rechargeable - Usage Time: Approximately 8 hours - Size: 2.8L Thank you for looking. I opened it this time to take photos. I received it as a gift, but I haven't used it. I hope someone can make use of it.