Please see photos for accrant model and serial numbers. THIS IS A Rare Vintage Logitech 2-Button Serial Mechanical Ball Mouse M-M34 is a unique and sought-after piece for collectors and tech enthusiasts. New in Sealed Plastic, This white mouse features a classic 2-button design with a mechanical tracking method, providing a tactile and precise experience. With its ergonomic design and wired connectivity via serial (RS-232), this mouse offers a comfortable and efficient user experience for right-handed users. This new open box unit is a great addition to any collection or for those looking for a reliable and stylish mouse with a touch of nostalgia.