<b>[Easy to use]</b> Echo battery base does not turn off on its own when Echo is in standby (except you press the Power Off button when you do not want to use it ) , so you may wake up the Echo optionally whenever you want<br><br><b>[Compatible Models]</b>Battery base designed for (Echo Plus 2nd generation,Echo 3rd gen only, Not for ECHO 2nd generation /Echo 1st generation and Echo Plus 1st Gen , Echo studio Echo Dot series.</b><br><br><b>[Large Battery Capacity]</b>Works with Echo plus 2nd generation (for 7-10hours), Detailed depends on its working status<br><br><b>[Truly Portable]</b>Cut the core,make you echo plus truly wireless, easily moves to kitchen, garden or anywhere in between,<br><br><b>[Special Functionality]</b>5V/2A usb output for you cellphone, Can charge you phone and echo at the same time<b><br><br>What you get ?</b><br>1* battery base only (NO Power AC adapter /Power cable/Power charger)<br>1*User manual<br>2*rubber ring(Black rubber ring for echo plus/Clear(white) rubber ring for echo 2nd generation)<br><br><b>How to charge echo battery base?</b><br>Please find out the Echo's original power adapter, Recharging the battery base by the Echo's original power adapter with 15V/1.4A ( Not Included power adapter)<br><br><b>[Easily and Quickly install]</b>Warp the black rubber ring around the bottom of the echo plus then Slide into battery base and connect it by DC charging connector,Adds extra stabiliey that let the echo and battery base be one<br><br><b>Warranty:</b>360days warranty free exchange or refund without return if you have any quality question ,Greatly welcome you to write an e-mails to our member when you have any problems, they will timely reply you within 24hours, Our member will provide you with the best customer service (To prevent the fraud with low price or unpack package, pls choose official seller: Caramote directly before purchasing)