Number of Rollers: 1 pcs Brand Name: Ziyoulang DPI: 1600 Style: DPI adjust button Movement speed, IPS: 30 Package: Yes Interface Type: USB Hand Orientation: Right Time to market: Feb-14 Power Type: Battery Operation Mode: Opto-electronic Acceleration: 10 G Gross Weight: 105 Type: 2.4Ghz Wireless • 3 Adjustable DPI :The mouse has 3 adjustable DPI settings of 800, 1200, and 1600, allowing you to customize your mouse speed and accuracy.   • 6 Buttons :With 6 buttons, this mouse provides easy access to various functions, making it more efficient and convenient to use.   • Wireless 2.4GHz :The wireless 2.4GHz connection ensures a stable and reliable connection, eliminating the hassle of tangled wires and limited mobility.   • Ergonomic Design :The ergonomic design of this mouse ensures comfortable use for extended periods, reducing strain on your hand and wrist.   Ergonomic mouse is designed to fit in your hand. The unique upright shape reduces muscle tension in the arms, relieves repetitive stress or any symptoms of carpal tunnel, wrist pain, and fits perfectly in all hand shapes and sizes.   6 convenient buttons, 3D scroll wheel, DPI button, left and right buttons, forward and back buttons provide the most convenient way to browse the Internet. Two forward and back buttons located next to the thumb give you more convenient control to browse the Internet with minimal hand movement   High sensitivity with 3 adjustable DPI, this ergonomic mouse has higher sensitivity with 3 DPI levels (800/1200/1600), just touch the button on the top to adjust the speed of the mouse, For satisfactory high precision use   With advanced 2.4GHz wireless technology, it can work stably and quickly within a distance of 10M without interference. Operation is simple by connecting the supplied Nano USB receiver to your computer's USB port, no additional drivers required   Specification& 65306; Working mode: 2.4G Interface: USB NANO receiver Receiving distance: 10m Number of keys: 6 DPI: 800-1200-1600 Rated voltage: 3V Rated current: 10mA Product size: 4.80 Power supply mode: 2*AA batteries (not included) Weight: 105g   Notice: 1. The product does not contain AA batteries, which need to be purchased separately 2.Do not put the mouse in open flame or liquid 3. Do not use the mouse in high temperature environment