Brief introduction of mini Bluetooth audio:
Mini-speaker is a kind of micro-audio, which is also called "USB audio" by many friends. Connecting a computer or a USB jack through a USB interface is compact, portable and fashionable.
Mini speakers can be connected to most audio output devices, such as MP3, MP4, MP5, mobile phones, computers and so on. (Some devices may require an adapter). The shape design is simple and fashionable, small and exquisite, and there are many varieties. The lithium battery of the fuselage is powered and can be carried around. High power output is also suitable for outdoor use. The assembled mini speaker is more suitable for home.
Mini Bluetooth audio features are as follows:
1, compact size, easy to carry, cool appearance, trendy fashion, personalized color matching, fresh and natural. The largest is no more than a football, and the smallest is as big as an egg.
2. It integrates power amplifier, battery and dual speakers, and pioneered the patented technology of "cavity expansion", which solved the problem of narrow cavity of mini speaker, broke the limitation of speaker appearance specifications for decades and compressed it to the limit.
3, no need for long audio cables, no need for external power supply, whether it is the fresh rhythm like mountains and rivers or the passionate DJ dance music, it can be vividly displayed! Everything, just to be free to enjoy anytime, anywhere.
4. The design is concise and easy to use. Use USB 1. 1 or 2.0 standard interface for power supply and audio input, plug and play without driving USB interface, fully compatible with WINDOW 95 98 ME 2000 and XP operating systems.
With 3.5mm stereo audio input interface, it can link notebook, desktop PC, mobile phone, PSP, walkman, MD, Mp3, PDA, Mp4, repeater, iPod, mobile phone and other devices.
5. Mini speakers only need to be connected to laptops, mobile phones and other devices, and can play wonderful music without power supply. Some speakers are equipped with large-capacity lithium batteries, and the products can play music for 3-5 hours. When the battery of the speaker is dead, we can connect with the computer through the USB port to charge the battery.
6, portable performance suitable for outdoor sports explorers, leisure people, outdoor cyclists, but also suitable for computer sound reinforcement, as a small computer speaker. In short, mini speakers are loved by more and more people because of their small size, long playing time and loud external speakers, unlike traditional MP3 players, which need to wear earplugs and hurt eardrums! Especially small sports speakers, bicycle stereos, etc.
Refer to the above? Baidu encyclopedia-mini speaker