https://www.amazon.com/Cordless-Gen...arately/dp/B074FHLC2F/ref=sr_1_1_sspa?ie=UTF8 About this Deal Portable cordless speaker, free your Echo Dot, easily bring Alexa into your office, kitchen, bedroom or any room Perfect sound quality, 20W superior sound and bass, dual 52mm drivers and a passive radiator, boost the sound of your Echo Dot 5000mAh Power bank, rechargeable battery for smartphones, MP3 players, iPad Use as a portable sound system when connected to your other mobile players with 3.5mm AUX Compatible with Echo Dot 2nd Generation, use Echo Dot micro-USB and 9W adapter to Power and Charge, Good Christmas Gift