• Two in One: This desktop calculator is a combination of calculator and handwriting board. With the stylus pen magnetically attached to its side, you can use it for arithmetic and writing or painting simultaneously
• Easy to Use: With an erase button, you can clear the full screen with a click. The drawing tablet can be folded to lock screen to prevent accidental deletion
• Replaceable Battery: Powered by 2 x CR1220 button battery, no need to charge and connect, ultra-low power consumption, long service life
• Healthy and Eco-friendly: The writing board supports repeated writing, reducing paper consumption and is made of flexible liquid crystal panel for eye protection
• Convenient to Carry: The calculator is small,ultra-thin,foldable and portable, convenient for learning, writing, painting and business communication

Specifications:

• Material: ABS
• Screen Size: 6 Inch
• Battery: 2 * CR1220 Button Cell, 40mAh, 3V
• Item Size(Unfold): 16 * 15.6 * 0.5cm/ 6.3 * 6.1 * 0.2in
• Item Size(Fold): 16 * 7.8 * 1.2cm/ 6.3 * 3.1 * 0.5in
• Item Weight: 119g / 4.2(oz)

Note: No rinsing. No exposure to strong sunlight. No touching fire. No smashing or scratching the surface with hard objects.