Double pump breast pump with adjustable suction. Wireless use is possible because the battery is installed. It can be charged with the included cable! Please see the 3rd and 4th photos for scratches. The part that directly touches the breast is size M. You can purchase parts for that part on the Pigeon website!!! - Brand: Pigeon - Model Name: Breast Pump - Accessories: Power adapter, hose, instruction manual, all parts - Features: Double pump, adjustable suction - Operation panel: Button type, LED display - Color: White Thank you for viewing.