Mice & Trackballs Description: Delicate and cabinet shape, suitable for going out, busine trip, meeting and other environments to use, get rid of the trouble of the big mouse. You can also wear the mouse over your finger while typing on the keyboard without lowethe mouse. The product can be used in many interfaces, such as mouse pad, desktop, pants, sofa and so on. The wirele hand mouse is ergonomically designed, with innovative concepts, allowing the mouse to move flexibly between the fingers. A simple thumb, index finger and middle finger can be used to complete the operation. OTG data line supports android phones and with OTG function, mouse, keyboard,, card reader, game controller and other devices. Three - stage automatic saving mode, let you rest aured to use, no longer worry about the lack of power. Specification: Material:ABS Tracking Method: Optical Resolution: 1600 DPI Connectivity: Wirele Interface: USB Receiver Support Version: 3.0 or above Max Operating Distance: 10m/ 393inches Operating Frequency: Buttons: 2 buttons and rolling wheel System Compatibility: Windows2000 /XP /Vista / Win7/ Win8/ Win10/Mac/ Android etc Size Chart: Size:Approx. 60x30x30mm/2.4x1.2x1.2inch Package Includes: 1 Piece wirele finger lazy mouse 1 Piece storage box 1 Piece manual 1 Piece USB Note: All dimensions are measured by hand, there may be small deviations. Color may vary slightly due to the color setting of each inp> Thanks for your understanding. Please enjoy your happy shopping time!