WACOM Stylus Pen for Windows Bamboo Ink CS323AG0C 1 piece → ¥4400/piece CS323AG0A 2 pieces → ¥3400/piece Purchase price: ¥5,980 ■ Specifications ■ Compatible OS: For Windows 10 devices Reading method: Wacom Active Electrostatic (Active ES), Microsoft PEN Protocol (MPP) Pressure levels: Up to 4096 (varies depending on the device) Buttons: 2 customizable side switches Tilt detection: - Bluetooth: - Power supply: AAA battery Battery life: Approximately 15 months (when used 2 hours a day, 5 days a week) Size: 145mm long x 9.5mm diameter Weight: 19g (including battery) I accidentally bought three of these. I also overlooked that it was for Windows when I bought them. All three are unused.