2.4G wireless finger ring mini gaming mouse for computer phone tablet. Mouse on the finger, the desktop, type on the keyboard so you can wear the mouse on your finger, no need to put down the mouse,flexible and easy to use. It comes with storage box, convenient to carry around. Stable performance, in use. The exquisite and compact shape of this product is suitable for use in outings, business trips, meetings and other environments to the troubles of a large mouse. Product Name: 2.4G Wireless Finger Mouse Tracking method: Optical Resolution: 1600 DPI Interface: USB Maximum working distance: 10m Buttons: 2 buttons System compatibility: Windows2000 / XP / Vista / Win7 / Win8 / / Android etc. Power: AAA battery x 1 (not included) Working current: 1.5 V 15 mA Colour: black Material: ABS Size: 60 * 30 * 30mm Package Contents: 1 * 2.4G wireless finger mouse(without battery) 1 * USB receiver 1 * storage box 1 * user manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.