Feature:1. [Innovative Piano Calendar] Immerse yourself in music with this beautifully designed calendar that doubles as a playable piano, offering a unique and interactive experience.2. [Weekly Music Lessons] Featuring 52 weekly calendar cards with snippets of renowned musical compositions, this playable piano allows you to study and practice different music pieces each week.3. [Volume Adjustable] Adjust the volume to your preference with the volume control buttons, ensuring a personalized auditory experience.4. [USB Rechargeable] Equipped with USB charging port for convenient charging, a quick 1 hour charge provides a battery life of 1 to 2 months, allowing you to enjoy music without frequent recharging.5. [User Friendly] Easy to use, the piano calendar can store weekly calendar cards inside the piano. Simply rotate the handle on the right to retrieve a new card. Additionally, musical note stickers are included for easy reading and understanding of the music scores.Specification:Item Type: Piano CalendarMaterial: MetalSize: Approx. 13x9x8.7cm / 5.12x3.54x3.43inBattery: Li Battery 300MAH (Built in)BT Function: BT can be used as a small speaker.Package List:1 x Piano Calendar1 x Calendar2 x Music Note Stickers1 x USB Cable1 x BagNote:Kids should play under adult supervision to avoid swallowing small toy parts.