Features:<br> <br>Two in oneThis desktop calculator is a combination of calculator and writing board. With the stylus magnetically attached to the side, you can use it for arithmetic and writing or painting at the same time.<br> <br>Easy to useWith an erase button, you can erase the full screen in one click. The drawing tablet can be folded to lock the screen to prevent accidental removal.<br> <br>Replaceable BatteryPowered by 2*CR1220 button battery, no need to charge and connect, energy consumption 'ultra-low energy, long service life.<br> <br>Healthy and environmentally friendly The writing board supports repeated writing, reduces paper consumption, and is made of a flexible liquid crystal panel for eye protection.<br> <br>Convenient to carry The calculator is small, ultra-thin, foldable and portable, convenient for learning, writing, painting and professional communication.<br> <br>Features:<br> <br>Black color<br> <br>Material: ABS<br> <br>Screen size: 6 inches <br>Battery: 2 x CR1220 Button Cell, 40mAh, 3V<br> <br>Item Size: 16 x 15.6 x 0.5cm/6.3 x 6.1 x 0 .2 inch (unfolded).<br> <br>16 * 7.8 * 1.2cm / 6.3 * 3.1 * 0.5 inch (folded)<br> <br>Weight s of item: 119 g / 4.2 (oz)<br> <br>Package size: 16.5 * 8.4 * 1.5 cm / 6.5 * 3.3 * 0.6 inches<br> <br>Package weight: 135g / 4.8 (oz)<br> <br>Note:<br> <br>No rinsing, no exposure to strong sunlight, no contact with fire, no crushing or scratching the surface with hard objects.<br> <br>Packing list:<br> <br>1 * writing tablet<br> <br>1 * Stylus HG