Not including dot speaker Burable Battery: This battery base is Specially Designed for Dot 3rd and Google mini 2:5200maAh 8 Hours play time . 3 hours charge time More than 25 hours Standby time Removable Speaker: Echo dot 3 and Go/ogle mini 2 are Great smart speaker with this battery it will be perfect !you can use your DOT 3rd and google mini 2 anywhere you want. Living room kitchen bedroom outdoor. You can use it when travel as well Not Effect the Sound Quality: Retain 100% of the pure sound.This battery base has pass strictly tests. It does not influences the sound . Retain the All-dimensional Sound Quality Portable Design: With our Portable design. You can use press the volume button freely and use Output hole while charging Liboer provide friendly after-sale service including 90-day replacement if receiving defective items,making sure the risk-fr/ee shopping experience for you With this Battery base you can have a Mobile dot 3rd speaker or Mobile Google mini 2 ! you can use your dot 3rd anywhere you want. Living room kitchen bedroom outdoor. You can use it when travel as well