The document introduces the main technical parameters and features of a speaker product. The speaker has a rated power of 3W*2, a frequency response of 200-18000Hz, and a signal-to-noise ratio of ≥80dB. It can be connected to various audio sources such as MP3, MP4, CD, DVD, iPod, iPhone, GPS, PSP, mobile phones, and laptops. The speaker unit consists of two mini high-fidelity 1.5-inch 4Ω/3W aluminum diaphragm magnetic speakers. It can be powered by a power adapter, computer USB, or 900MA lithium battery. The speaker features a aluminum alloy housing, with dimensions of 170*50*53 mm and a weight of 0.207kg. Features include a perfect combination of classic and modern design, a new mini aluminum diaphragm speaker, and multiple power supply methods.