YUEHISY Arc Touch Mouse - BT Wireless

Spec: Item Type: BT Arc Touch Mouse Material: ABS Battery Type: Requires 2 x AAA batteries (not included) DPI: 1200DPI BT Version: for BLE4.0 How to Use: Insert 2 AAA batteries(without) and connect to BT to use. Package List: 1 x Mouse 1 x User Manual Notice: 1. Before using the mouse, you need to bend the mouse to turn on the power. If the mouse is flat, the power is off and cannot be used.2. USB BT adapter not included. For desktop computers without BT, a USB BT adapter is required for use.