The echo dot is a black smart speaker by Amazon that is compatible with Amazon devices and features Dolby Digital surround sound. It comes with a subwoofer and has smart home compatibility with Alexa. It has Bluetooth connectivity and an audio input USB. The unit is made of plastic and has a battery capacity of 5.85 mAh. Perfect for integrating into your smart home system, this Amazon Echo Dot offers high-quality audio and convenient connectivity options.
eBay