Check the listing for details. Amazon Alexa Echo Dot (2nd Generation) Smart Speaker RSO3QR - Black W/ Charger. Color: Black, Condition: Used. Listed at 11.99 USD. This item has been tested in good working condition. See pictures for all details. The Amazon Echo Dot (2nd Generation) Smart Speaker in black is a sleek and powerful device that offers advanced voice search capabilities and smart home compatibility with Alexa. Its compact design makes it easy to place in any room, while its Bluetooth connectivity allows for seamless integration with various devices. Made of durable plastic and weighing just 0.8 lbs, this smart speaker is lightweight and portable, making it a convenient addition to any home. With its universal compatibility and intuitive design, the Amazon Echo Dot is the perfect choice for those looking to enhance their smart home experience.