ELECOM Mouse Wireless M Size 3 Buttons IR Sensor Power Saving Black (Receiver Included) M-IR07DRBK

No need to replace batteries for about 2.5 years. A wireless IR LED mouse that uses infrared LEDs with low power consumption. This is an IR LED mouse that uses infrared LEDs with low power consumption. Since it consumes less power than mice using Blue LED or laser, it can be used for about 2.5 years without replacing batteries. It has a symmetrical design that allows you to hold it regardless of how you hold it. It has a resolution of 1200 counts for smooth operation.