https://support.lenovo.com/gb/en/accessories/acc500131-lenovo-professional-ultraslim-wireless-combo-keyboard-and-mousepn-4x30t25xxx-overview-and-service-parts
Lenovo Professional Ultraslim Wireless Combo Keyboard and Mouse(PN: 4X30T25XXX) - Overview and...
Lenovo Professional Ultraslim Wireless Combo Keyboard and Mouse(PN: 4X30T25XXX) - Overview and Service Parts
keyboard and mousewireless combolenovoprofessionalultraslim