Features: brand new and high quality 3 Adjustable Dpi Levels: One Click to Switch the DPI Levels to meet the different needs. 7-colors Breathing LED Backlit Lights: After the mouse is connected to the computer, then the colorful lights change automatically and it cannot be turned off. Easy to connect, plug and play: no need drive, multi system compatibility (laptop, pc, tablet), convenient and efficient. Ergonnoic Design: Perfect ergonomic design, fit the plam and more comfortable. Rhinestones stone decorated grain after grain,so unique, which can massage the fingertips. Silent Design: Mute button design does not interfere with others work, study or breaks. The Rhinestones wired mouse is great gift choice for birthday, valentines' day, everyday gift and giveaway, etc. Specifications: Material: Plastic + Rhinestones Number of Keys: 4 Keys DPI: 800-1200-1600DPI Working Voltage: for DC 5V Working Current: 10mA Roller Life: 1 Million Times Switching Life: 500 Million Times USB Cable Length: approx. 150cm/ 59.06in Size: approx. 120x65x38mm/ 4.72x2.56x1.50in Package Includes: 1x Wired Mouse note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.