Feature: 1. [Piano Calendar] Enjoy a beautifully designed calendar that functions as a playable piano, providing a unique and interactive musical experience. 2. [Weekly Music Lessons] Includes 52 weekly calendar cards featuring excerpts from famous musical compositions, allowing you to learn and practice a new piece each week. 3. [Volume Control] Adjust the sound level using the built-in volume control buttons for a customized listening experience. 4. [USB Rechargeable] Comes with a USB charging port; a 1-hour charge supports 1 to 2 months of use, minimizing the need for frequent recharging. 5. [User Friendly] The piano calendar has built-in storage for the weekly cards. Turn the handle on the right side to dispense a new card. Includes musical note stickers to help with reading and understanding the sheet music. Specification: Item Type: Piano Calendar Material: Metal Size: Approx. 13x9x8.7cm / 5.12x3.54x3.43in Battery: Lithium Battery 300MAH (Built in) Package List: 1 x Piano Calendar 1 x Calendar 2 x Music Note Stickers 1 x USB Cable 1 x Bag Note: Children should use this product under adult supervision to prevent ingestion of small parts.