Features: Powerful optical engine provides accurate click, fast response and stable signal. Ergonomic design, vertical mouse suitable for the palm and fingers, reduce the discomfort when using, say goodbye to the "mouse hand". The 6 adjustable DPI (1000-1600-2400-3200-4800-12800DPI) are easy to switch, accommodate a variety of material surfaces, and are located accurately and reliably to meet your daily office and gaming needs. Delicate surface treatment, feel comfortable. Bright light belt, multi-color switch, can be customized programming RGB lighting color. USB power supply, plug and play, easy to use. Specification: ZELOTES T-50 Button numbers：9 Traction control: optical USB length: 1.8m Working voltage/current: 5V100mA Button life: 3 million times Roller life: 1.2 million rotation Product size: 124*70*67mm Product weight: 125±5g Resolution: 1000-1600-2400-3200-4800-12800DPI Rate of return: 125-1000Hz Supported Systems：Windows 2000/ME/XP（64位）/Vista/Win7/Win8/Win10/Win11/Mac OS/ios/Android. Item size:12.4*7 .0 *6.7 cm /4.88 *2.76 *2.64 in Item weight: Approx 130g Package size:12.3* 8.0 *8.0 cm / 4.84*3.15*3.15in Package weight:Approx185g Packing list: 1 * Mouse 1 * User manua