mode and right-hand mode. 【Battery-free Pen】: Adopts battery-free pen, you don't need to charge it, ergonomic design, which can effectively reduce the fatigue caused by holding a pen for a long time. The 2 buttons functions can be customized, and the default functions are pen/eraser and the mouse. 【Strong Compatibility】: Support connect with PC/laptop/Android smartphone or tablet. Compatible with Windows 10/8/7(32/64 bits) or later, Mac OS 10.12 or later, Android. Work well with most design and artist software such as Photoshop, SAI, AI, ID, Lr, krita, Painter, Flash, 3D, C4D and more. Suitable for professional artists, novice designers, teachers, and amateurs at all ages. Specifications: Model: S640 Color: Black Technology: Electromagnetic Digitizer Active Area: 6x4 Inch Pressure Sensitivity: 8192 Levels Resolution: 5080 LPI Report Rate: 250 PPS Reading Height: 10mm Hot Keys: NO Interface Support: USB Pen: P001 Passive Pen Pen: Battery-free Pen Pen Pocket: Yes Compatible Systems: Windows 10/8/7(32/64 bits) or later, Mac OS 10.12 or later   Item Size: 218 * 130 * 9mm / 8.6 * 5.1 * 0.4in Item Weight: 175g / 6.2oz Package Size: 23.5 * 17.5 * 3.2cm / 9.3 * 6.9 * 1.3in Package Weight: 317g / 11.2oz Notes: To connect Android mobile phone/tablet, you need to buy another OTG adapter(not included). Android mobile phone/tablet must support Android 6.0 and later, and support OTG function. Samsung phones are not supported. Please download VEIKK driver and manual from our official website. Packing List: 1 * VEIKK S640 Graphic Tablet with USB Cable 1 * Passive Pen (No battery needed and No charge needed) 1 * Pen Pocket 8 * Pen Nibs 1 * Removal Tool 1 * Quick Start Guide(English, Korean) 1 * Driver Download Reminder