Everything has been tested and is working fine. Battery replaceable. The Mickey Mouse phone is a Takara Tomy product. When you press the number buttons, Mickey will speak and sing. The toy in the middle is probably the closest to a real phone. It allows you to make calls and check emails, so it's perfect for children who want a real phone. The battery on this one is running low, so it might be better to replace it. The pink toy on the right is a mobile phone toy with strong game elements, such as rock-paper-scissors and a whack-a-mole game. These items have been used by children, so please purchase only if you understand this. I also have baby clothes and other toys for sale, so please take a look if you're interested.