Amazon Echo Dot (RS03QR)


 * Product page

FCC ID: 2AHSE-2045 (2016-09-14)
 * Bluetooth 4.1 EDR/LE

Amazon Echo on Wikipedia


 * Teardown on AllAboutCircuits (2 Gen)
 * Echo Dot Teardown on DigiKey (2Gen)
 * Teardown on EevBlog forums (PCB images)
 * Micron Combo Memory Chip (Flash + RAM)