This is a new generation of wireless mouse with following characteristics:
*The battery power can be used for three years, result from its lower working voltage and current. 3-5 times lower on working current, 20 times lower on standby current.
*Intelligent automatic power saving features, press the left or right button to activate
*Left and right buttons is silent and quiet when press, almost on sound
*Ergonomic design, good grip
*Using a special process on appearance, never fade
*Side with the forward and back keys, correspondingly with forward or back arrows/ buttons on web browser and my computer
*Product size: 105x66x41mm