Feature: 1. METAL SCROLL: Wireless mouse is designed with metal scroll, which are not easy to rust and enhance the operating experience. Compact design, easy to put into pocket or backpack, convenient to carry. 2. TRANSPARENT AND ERGONOMIC DESIGN: This wireless mouse is designed with a transparent shell, you can clearly see the inner structure, very cool. Symmetrical ergonomic design, comfortable hand feeling. 3. 3 MODES: Mouse supports 2.4G, BT1, BT2 3 mode connection, you can switch the working mode at will, support for Android, for Win system. Suitable for PC, laptop, smartphone, etc. 4. CONVENIENT AND UNIQUE DESIGN: Wireless mouse with USB receiver, built in inside the mouse, easy to manage, not easy to lose. Removable magnetic face cover for easy maintenance. 5. ADJUSTABLE DPI: Wireless Bluetooth mouse has three adjustable DPI (800, 1200, 1600), you can choose the speed that suits your needs, providing high sensitivity and accuracy. Specification: Item Type: Wireless Mouse Material: ABS Size: Approx. 113 x 57 x 25mm / 4.4 x 2.2 x 1.0in Working Mode: 2.4G, BT1, BT2 Working Current: 15mA Battery Type: Li Battery Battery Capacity: 400mAh (Included) DPI: 800, 1200, 1600 Light Mode: Seven Color Breathing Light Effect DPI Light Mode: Red Lamp (800), Green Lamp (1200), Blue Lamp (1600). Package List: 1 x Wireless Mouse1 x Charging Cable1 x 2.4G Receiver1 x Instruction Manual Note: Manual measurement, please allow some errors.