65 degrees closer to the ergonomic posture and comfortable angle of performance, 10% reduce muscle fatigue, comfortable materials with treatmentThe natural holding position of the natural holding position AJ307 can reduce muscle stretching by about 10%, making the posture more ergonomic of vertical vertical posture The colorful vertical mouse is based on the snail bionic, combined with ergonomics to replace the traditional mouse's flat grip posture with an upright side grip, so that the arms are naturally stretched, free from arm and -control the mouse for a long time CautiousUnique rocker design on the side, another major feature of AJ307 is the side rocker design to meet the needs of professional games. The four key values of the up, down, left and right of the rocker can be customized and modified by the PC driver softwareSix gears of DP switch at will, the mouse is for senior users who are pursuing efficiency, which can help them achieve more goals in a more efficient waycolour:blackMaterial:plasticsize:106x72x85.50mmPackage Contents:1 x optical mouse1 x InstructionOnly the above package content, other products are not included.Note: Light 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.