1. Simple Design And Color Matching 2. 8192-Level Passive Pressure-Sensitive Pen, Passive Wireless Electromagnetic Pressure-Sensitive Pen Technology, Free Of Charging And Battery-Free, 8192-Level Pressure-Sensitive Notebook Presents More Painting Details, Precise Positioning And Low Delay, And Truly Reproduces Your Works 3. Professional Board Drawing Sharp Tool, Design /Students/Painting Lovers/Gifts For Children 4. The Mobile Phone Can Also Be Used As A Hand-Painted Board, And The OTG Adapter Is Used To Connect The Digital Board And The Android Phone/Tablet To Start The Road Of Board Drawing 5. The Mobile Phone And Digital Tablet Can Be Drawn Horizontally Or Vertically Product Model: T503 Support Interface: USB Application Technology: Electromagnetic Induction Induction Level: 8192 Level Reading Speed: 233 Points/S Voltage And Current: 5V Less than45mA Support System: WindowsXP/Vista/7/8/10 (32bit/64bit) Android (Above 4.0) OS X10.7-10.13 Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:blue Material:ABS Size:about 10 x 170 x 7mm Computer/Mobile Phone Drawing Area Size: About 155x100mm (6x3.9 Inches) Package Contents: 1 x Digital Board (New And Old Versions Are Randomly Distributed, don't accept the specified, With The Same Function) 1 x Pressure-Sensitive Pen (With Refill) 1 x USB Data Cable 1 x Chinese And English Manual 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.