Model Numbers CTL-4100WL | Colours Pistachio, Black, Pink | Size* 200 x 160 x 8.8 mm (7.9 x 6.3 x 0.4 in) | Active Area* 152 x 95 mm (6.0 x 3.7 in) | Weight* 250 g (8.8 oz) | Wireless Bluetooth Classic | Battery Li-ion | Continuous operation time 15 hours minimum | Charging Time Up to 3.5 hours | Wacom Pen 4K Cordless, pressure-sensitive, battery-free pen with built-in pen nib compartment and nib removal tool at end. | Includes 2 customizable side switches and 4096 pressure levels (patented electromagnetic resonance method) | Connectivity USB-A; security tether slot; Bluetooth Classic for wireless connection (on Bluetooth models only) | ExpressKeys™ 4 customizable, application-specific ExpressKeys™ | Productivity Boosters ExpressKeys™ |, radial menu, on-screen keypad, time-saving settings like display toggle | Ergonomics Right or left-handed use; Wacom Pen 4K with comfortable, ergonomic grip | System Requirements Standard USB Type-A port, Windows® | 7 or later (excluding Windows 10 S; latest service pack/build); OS® | X 10.11 or later; Bluetooth Classic for wireless connection | (on Bluetooth models only), internet access to download driver for tablet to work and to select downloadable software (Wacom ID and product registration required) | What’s Included Pen tablet small or medium, pressure-sensitive, battery-free Wacom Pen 4K, PVC-free USB cable with cable tidy and L-shaped connector, 3 extra standard nibs (located | inside pen), nib removal tool on end of pen, quick start guide, regulation sheet, online user guide and important product information found in Wacom Desktop Center