(Seattle, WA) -- Amazon is unveiling the second version of its wireless Echo Buds headphones that are smaller and start at just 99-dollars. The earbuds promise some of the features found in Apple's AirPods Pro, like noise cancellation and they're 20-percent smaller than Apple's product. The earbuds also feature Amazon's Alexa voice assistant and a compact carrying case. Users can opt for an upgraded case that supports wireless charging for just 20-dollars more.