Number of keys: 4 (leftright keys, middle key scroll wheel, top key)Customizable top buttons with settings softwareMultiple devices: 3 Easy SwitchTm channelsPower switch: with automatic sleep energy-saving technologyBattery type: 1 AA battery (not included)Bluetooth low-power technology (Bluetooth 5.2) compatible receiverWireless range: approximately 10 meters wireless rangeSpecifications:1 [ Small and cute ] Convenient to carry with you2 [streamline rounded design] fits your palm.3 [ Cross screen operation ] Through Bluetooth, you can connect a POP mouse to up to three devices, making it easy to switch with just one click.Whether you are using Windows, macOS, iPadOS, or Chrome OSTM systems, POP mice are supported.4 [ Long Range]The battery life of the POP mouse is also about 24 months, allowing you to continuously create and chat without worry. The power saving technology of automatic hibernation makes the battery of the mouse long-lasting and durable.Package Included:1 * Mouse1 * Instructions