1. Calculator Type Handwriting Pad Makes The Calculator Experience Simple And Fun, And Its Streamlined Appearance Makes Your Desktop Look More Refined. 2. High-Brightness Screen, Long Standby, Exquisite Appearance, Silky Touch 3. Wide Screen Display, A Good Office Assistant 4. Clear The Screen With One Click, Write Repeatedly 100,000 Times+, Comfortable Handwriting And Realistic Writing Feel, No Light, No Blue Light 5. Easy To Carry, Students Can Calculate On Scratch Paper. 1. Product Name: Multifunctional Calculator Writing Tablet 2. Applicable Occasions: Study, Work, Business Trip, Etc. 3. Battery Model: CR2032 Battery 4. Screen: Flexible Eye-Protecting Lcd Screen + High-Brightness Diaphragm 5. Calculator Digits: 12 Material: ABS colour: As shown Package Contents: 1 x Calculator Tablet 1 x Stylus Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.