Feature: 1. Innovation: Exclusive design for children, combining music and calendar function, unique creativity. The interesting design of the appearance attracts children attention, allowing them to unconsciously learn about music and time while playing. 2. BT Connectivity: It not only gathers the practicality of a traditional calendar, but also cleverly integrates BT connectivity, so you can conveniently connect smart devices such as mobile phones and tablets to the piano calendar to easily play your favourite music and enjoy happy times. 3. Playable: Children can enjoy the fun of music anytime and anywhere in their daily life, and at the same time, it also invisibly develops their musical talent and hand eye coordination, as well as brings more parent child interaction time for the family. 4. Exquisite Gift: Appearance design is both stylish and generous, the colour scheme is not only elegant but also lively and vivid, people fall in love at first sight, whether it is given to friends and relatives, or given to colleagues and classmates, this exquisite companion gift is an excellent birthday gift choice. 5. Multifunctional: It is not only a practical calendar, or a beautiful music box. Whether it is placed on the desk in the study, or on the coffee table in the living room, the piano calendar can become a beautiful scenery. Specification: Item Type: Piano Calendar Material: ABS Size: Approx. 19 x 9 x 9cm / 7.48 x 3.54 x 3.54in Battery Type: Lithium Battery(built in) Battery Nominal Capacity: 300mAh. Package List: 1 x Piano 53 x Card 2 x Music Note Sticker 1 x Charging Cable 1 x Storage Bag