Echo Dots have been the best selling Amazon products in promotional product industry. Later in 2022, Echo Dot 5th has been introduced. Echo Dot 5th Gen is what you need to upgrade from the 4th Gen, through both are pretty identical outside: - 5th Gen use a slightly bigger speaker driver inside that means better audio quality. - 5th Gen removed the 3.5mm audio output as seldom people use it now. - 5th Gen added the temp and accelerometer sensors that makes more features become possible: control temperature and tap snooze an alarm or tap to pause music for example. * Full UV Color * 1 Day or 3 Day Production * Premium Retail Product * Free ground shipping to one US Continental location Packaging info: Original Amazon Echo Dot package: 4 x 4 x 4.17 inch Carton size: 25.98 x 20.08 X 8.