The ProtoArc EM05 NL Vertical Ergonomic Wireless Trackball Mouse is a new, open box product designed for comfort and precision. With a sleek black color and a maximum DPI of 1600, this mouse offers a unique trackball design for efficient navigation. The wireless connectivity and ergonomic features make it a practical choice for users looking for a reliable and easy-to-use mouse for their computing needs. Additionally, the 1-year manufacturer warranty ensures quality and peace of mind.