Transceiver Free Convenience. Enjoy reliable, transceiver-free wireless connection to your Bluetooth PC (requires computer enabled with Bluetooth Technology). High Definition Laser Technology. Microsoft High Definition Laser Mouse products are more precise, more responsive, and deliver smoother tracking. Battery Life Indicator. You won't get caught with a dead batterythe Battery Status LED Indicator glows red when the battery is running low. Ergonomic Design. Point and click in comfortergonomic design helps you work longer without discomfort. Back Button. Use the Back button to easily navigate between folders and Web pages, or press the wheel for auto-scroll. Comfort for Either Hand. Use your mouse with your left or right handambidextrous design makes it comfortable either way. Designed for Notebook PCs. Compact and comfortable, our handy notebook and laptop products are designed for convenience and mobility.