Amazon Echo Power Adapter 21W: Echo (1st and 2nd Gen), Echo Plus (1st Gen), Echo Show (1st Gen) Price: $19.99 Amazon Echo Power Adapter 21W: Echo (1st and 2nd Gen), Echo Plus (1st Gen), Echo Show (1st Gen) 6 foot long cordUL Listed Amazon Echo Power Adapter 21W: Echo (1st and 2nd Gen), Echo Plus (1st Gen), Echo Show (1st Gen) Price: $19.99