Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Solar Calculator High Color Dopamine 12 Bit Mechanical Key Scientific Computer Features: Portable calculator with a large 12-bit LCD display screen, clearly visible, allowing you to see numbers at a glance easy to store in a drawer or carry in a schoolbag or Briefcase; Suitable for home, school, and office use The basic standard calculator is made of durable polypropylene Ensure normal daily use; Candy colored design, reasonable button layout, beautiful and practical Electric digital calculators have button batteries and solar energy; More durable and convenient Product Description: Product Name: Solar Calculator High Color Dopamine 12 Bit Mechanical Key Scientific Computer Net weight:190g Product size: 14.5*15.5cm Package Content: 1x calculator Features: Portable calculator with a large 12-bit LCD display screen, clearly visible, allowing you to see numbers at a glance easy to store in a drawer or carry in a schoolbag or Briefcase; Suitable for home, school, and office use The basic standard calculator is made of durable polypropylene Ensure normal daily use; Candy colored design, reasonable button layout, beautiful and practical