| 摘要 |
<p>Provided is a computer external device, comprising a computer external device body and a casing covering the outside of the computer external device body, wherein the casing is a light-transmissive casing. A light emitting unit, a control unit and a power supply unit are disposed in the casing, the control unit controls the light emitting unit to produce variable lamp light effects, and the power supply unit is used for providing electric energy to the light emitting unit and the control unit. The light emitting unit at least comprises two LED lamps emitting light of different colors. Each of the LED lamps is connected with one output end of the control unit. The provided computer external device can produce different lamp light effects and change lamp light into different colors, thereby effectively enhancing the attractive appearance of the computer external device, and improving acceptance of the computer external device by users.</p> |
