This is a smart revolutionary wireless mouse combining green and user-friendly features. No extra battery or USB cable needed. Two rechargeable power sticks work in shifts to ensure non-stop power supply. Each power stick holds a nano receiver and reachargeable battery that are connect to each other. You simply exchange the power stick when needed.
During charging your wireless connection normally would be disconnected, however due to an integrated backup system your computer mouse is still active for a few days.
You save on batteries, the environment and hassle of changing batteries and lost of wireless connection.