The rechargable wireless mouse is newly developed for more eco-friendly option. The working range is 10 meters, which is 30 feet. It contains a 830 mAh lion rechargable battery. When fully charged, the mouse can be used for 45 days in normal use. You can simply connect it to the USB port of your computer to charge. The charging time is 3-4 hours. You will find the mouse very comfortable to hold and accurate to command. We can ship to your door for free.