Patent ID: 8797735

Claim:
An electrical device comprising: a first main body; a second main body; and a rotatable mechanism pivotally connecting the first main body and the second main body, wherein the rotatable mechanism comprises: a first rotation unit configured to allow the first main body to rotate around a second rotation axis in a plane perpendicular to the second rotation axis, the first rotation unit comprises a first shaft sleeve and a first shaft pivotally received in the first shaft sleeve, and the first shaft is rotatable relative to the first shaft sleeve around the second rotation axis; and a second rotation unit configured to allow the first main body to rotate relative to the second main body around a first rotation axis, and the second rotation unit comprises a second shaft and two second shaft sleeves pivotally receiving two ends of the second shaft, the first shaft sleeve is perpendicularly fixed relative to the second shaft, and the first rotation unit together with the second shaft is rotatable relative to the two second shaft sleeves around the first rotation axis when the electrical device is in a use state.