Today (08/29/17) only, Amazon has a 20% discount on the VAUX Cordless Home Speaker + Portable Battery for Amazon Echo Dot Gen 2. That brings the price down almost $10 to $39.99. If you’re not familiar with the VAUX. Go check out Joe’s Vaux Speaker for the Amazon Echo Dot review. The VAUX untethers your Echo Dot so you can take it anywhere and not worry about a power cable. Head over to Amazon for more details on the VAUX and to order one.