Mini speaker

Bluetooth connectivity: most modern multifunction stereos support Bluetooth connectivity, which allows users to wirelessly transmit audio to the stereo via Bluetooth directly from their cell phone.AUX connectivity: Some stereos also offer a 3.5mm AUX input port, which allows you to connect your phone to the stereo via an AUX cable.NFC Pairing: Near Field Communication (NFC) technology allows the stereo to be quickly paired with an NFC-enabled cell phone, simplifying the Bluetooth connection process.Wi-Fi connectivity: Some advanced stereos support Wi-Fi connectivity, allowing audio to be transmitted wirelessly over your home network.USB connectivity: Some stereos also offer USB ports to connect directly to your phone and play music files stored on your phone.

Regarding the features of small stereos, they usually have the following characteristics:

Portability: small stereos are small and lightweight, making them easy to carry and move around.Battery life: many small stereos have built-in rechargeable batteries that allow them to be used without power.Multi-functionality: Small stereos may integrate a variety of functions, such as FM radio, alarm clocks, Bluetooth speakers, and so on.Easy to operate: small stereos are usually designed to be simple and intuitive to operate.Sound quality: Despite their small size, many small stereos still offer good sound quality for personal use.Waterproof and dustproof: some outdoor type small stereos are waterproof and dustproof, suitable for use in various environments.Variety of designs: Small stereos are available in a variety of designs and colors, and can be used as a fashion accessory.Affordable: Compared to large sound systems, small stereos are usually more affordable.