Features: Built-in 3000mah rechargeable battery supports wireless operate, not need to plug in. Suitable for dormitories, hotels and camping. Using ultrasonic powerful turbines water flows technology, repeatedly in all directions, and intelligent anti-blocking and gentle flipping to make clothes clean, prevent entanglement and deformation. Quiet motor design, which does not disturb family rest and is suitable for use at night or in shared spaces. This washing machine has a capacity of up to 1L and is only the size of the palm of your hand. It can be easily put into a backpack or suitcase. It is lightweight and easy to store. Designed for daily underwear, baby clothes, and small items, it can be used at any time when on business trips, traveling, and in dormitories. Specifications: Component: ABS, PC, Silicone Color: Blue color/White/Pink Size: about 12.5x12.5x20.5cm/4.92x4.92x8.07inch Motor power: 15W voltages: 5V Motor: 3.7V Motor none load speed: 1000rpm Package Includes: 1set Underwear Washing Machine note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.