| 摘要 |
A portable speaker apparatus is provided to facilitate a charging operation without additional cost by adopting a 24 pin connection port of a standard mobile phone charger and a lithium ion or a lithium polymer battery. A portable speaker apparatus(100) comprises a pair of speaker devices to amplify and regenerate left and right sound of an acoustic device. In each speaker device, a speaker protection net(110) protects a vibration plate of the speaker. The speaker device includes a circular plate ring type external fixing frame(120), and an external case(130) accommodating internal components of the speaker device and fixing the external fixing frame to the outside. A right side speaker device includes a speaker unit, a microprocessor, a chargeable secondary battery, and a 24 pin charging connection port(180). A left side speaker device includes a speaker unit device receiving a left sound signal from the microprocessor of the right side speaker. |
