Feature: 1. 2.4G+BT5.1 dual-mode connection, up to 15m wireless transmission distance, stable connection. 2. Support one-key return to desktop, convenient to use. 3. 3 adjustable movement speed(800-1200-1600DPI) freely switch, accurate positioning, sensitive response, smooth operation, to meet your daily office and entertainment needs. Specification: Features: 2.4G+BT5.1 dual-mode connection, up to 15m wireless transmission distance, stable connection. Support one-key return to desktop, convenient to use. 3 adjustable DPI(800-1200-1600DPI) freely switch, accurate positioning, sensitive response, smooth operation, to meet your daily office and entertainment needs. Ergonomic design, the mouse fits your hand, comfortable to use. Mute button design, no need to worry about disturbing others. Built-in 500mAh rechargeable lithium battery, Type-C charging port, low power consumption, long endurance time. Specification: Type: Dual-mode wireless mouse Model: M103 Color: Black/White/Grey/Silver(optional) Connection method: 2.4G+BT5.1 Wireless distance: Up to 15m DPI level: 800-1200-1600DPI Key number: 5 Battery capacity: 500mAh Item size: 11.3 * 5.7 * 2.5cm /4.45 * 2.24 * 0.98in Item weight: Approx. 66g /2.33oz Packing list: 1 * Mouse 1 * Data cable 1 * User manual Package List: 1 * Mouse 1 * Data cable 1 * User manual