The Genius Ergo-9000S Pro is a compact wireless ergonomic silent mouse with dual mode Bluetooth and 2.4G technology designed for laptop, smaller hand, or limited space. Features include thumb rest and finger rest for comfort, 6-button, and power saving switch. Additional eye-catching flashing 7-color LED and built in 500mAh rechargeable battery to recharge via USB-C charging cable included. Start to enjoy freedom of wireless, no cord. Bluetooth 5.0 and 2.4GHz wireless Rechargeable silent mouse with 6-button Working distance up to 10 meters Mini size for laptop, or small hand Built-in rechargeable battery, USB-C charging cable included RGB 7 Color (Flashing LED) Ergonomic design for great working comfort Silent click Power saving switch DPI switch 800 / 1200 (default ) / 1600 / 2400