The ProtoArc EM11 Pro Vertical Mouse is a sleek black Bluetooth mouse designed for ergonomic comfort. With a maximum DPI of 2400 and optical tracking method, it offers precise and smooth control. This mouse from Protoarc features six buttons and comes with a charger included. The vertical design and ergonomic features make it a great choice for users looking for a comfortable and efficient mouse for their computing needs. Made in China, this unit is a reliable and stylish addition to any computer setup.