Description: Delicate and cabinet shape, suitable for going out, business 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 lowering the mouse. The product can be used in many interfaces, such as mouse pad, desktop, pants, sofa and so on. The wireless 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 android phones and tablets with OTG function, mouse, keyboard, u disk, card reader, game controller and other devices. Three - stage automatic sleep power saving mode, let you rest assured to use, no longer worry about the lack of power. Specification: Material:ABS Plastic Tracking Method: Optical Resolution: 1600 DPI Connectivity: Wireless Interface: USB Receiver Support Bluetooth 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/ Androidetc Size Chart: Size:Approx. 60x30x30mm/2.4x1.2x1.2inch Package Includes: 1 Piece wireless 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 individual monitor. Thanks for your understanding. Please enjoy your happy shopping time!