The A4Tech Fstyler FB26CS Air2 in Smoky Grey is a premium rechargeable dual-mode wireless mouse offering both Bluetooth and 2.4GHz connectivity. Switch seamlessly between devices using Bluetooth without occupying a USB port, or use the nano receiver for a dedicated 2.4GHz connection. Silent click buttons reduce noise by up to 90% for a distraction-free experience. The built-in rechargeable battery charges via USB-C, eliminating disposable battery costs. Air2 design supports both USB-A and USB-C devices. Ergonomic contour for comfortable extended use.