The A4Tech Fstyler FB50CS Plus is a premium dual-mode rechargeable wireless mouse offering Bluetooth and 2.4GHz connectivity in one elegant package. Silent click technology reduces button noise by up to 90%, making it a top choice for quiet offices and shared workspaces. The built-in rechargeable battery can be charged via USB while you continue working. Bluetooth mode allows connection without using a USB port. 2.4GHz nano receiver provides a dedicated stable connection. Comfortable ergonomic form factor supports extended all-day use.