Without plug. The Amazon Echo Dot (3rd Generation) Charcoal is a sleek and modern smart speaker by Amazon. Made with fabric material in a stylish black colour, this smart speaker features Alexa smart home compatibility, Bluetooth and Wi-Fi connectivity, and an impressive RMS power of 15W for high-quality audio. With its compact dimensions of 9.9cm x 4.3cm x 9.9cm and a weight of 300g, this smart speaker is perfect for any home setup and offers convenient voice search features for a seamless user experience.