✔ 2.4GHz WIRELESS BLUETOOTH 4.0 MOUSE: The wireless mouse features dual mode connection, connect one device by Bluetooth and the other through 2.4GHz USB dongle. With only one mouse, you can switch free to control two devices. Just press Model Switch Button for 3s, you could switch to control from your Mac by Bluetooth connection to your PC, laptop through 2.4GHz wireless connection. ✔ 3 ADJUSTABLE DPI VALUES: 3 adjustable DPI level 800/1000/1600 to meet both ordinary and gaming need. 8 buttons design (left/right button, scroll wheel, DPI button, forward/backward button for easy web page browsing, mode switch button, power switch) can meet most people’s needs. NOTE: When using the mouse with Mac, forward/backward button browsing buttons will not function, but other buttons are OK. ✔ COMFORTABLE & DURABLE DESIGN: Ergonomic design with elegant profile, the Bluetooth mouse is perfect to fit your hands, providing a comfortable using experience. Tested over 5 million times click lifespan ensure long-term stable use. ✔ GREAT COMPATIBILITY: Bluetooth mode supports Bluetooth enabled devices with Windows / Android / MAC OS system, no need occupy PC interface; 2.4GHz model works with PC, laptop and any device having USB port by just plug in the USB receiver, no additional software needed. Note: The USB receiver is stored in the battery compartment of the mouse. ✔ POWER SAVING: To save power and provide long-term usage, the wireless mouse will fall asleep after 10 minutes no-operation. It can be waken up by click any button.The mouse requires one AA battery (not included in the package).