Check the listing for details. Amazon Dot 2nd Generation Smart Speaker Model RS03QR With Power Adapter. Color: Black, Condition: Used, Made in China. Listed at 14.99 USD. The Amazon Echo Dot (2nd Generation) Smart Speaker Model RS03QR is a sleek and versatile device that offers a wide range of features for a seamless smart home experience. With its compatibility with various brands like AmazonBasics and universal compatibility, users can easily connect their devices to the speaker. The smart speaker also comes in a stylish black color and provides connectivity through Wi-Fi, allowing for seamless integration with other smart home devices. The inclusion of audio inputs like AUX, USB, and a 3.5 mm jack ensures that users can enjoy their favorite music and podcasts with ease. The smart speaker is equipped with Alexa for hands-free control, making it a convenient addition to any home.