Sony - ULT TOWER 10 Party Speaker - SRSULT1000 Two (2) Speaker Bundle - Black

Hi there, thanks for sending your question. We're happy to assist! The ULT TOWER 10 is not battery chargeable. It does not have a built-in battery and must be plugged into a standard wall outlet (AC power) to work. If you need a recommendation, the ULT TOWER 9 does run on a rechargeable battery. To learn more about the ULT TOWER 10, please visit this link: https://helpguide.sony.net/speaker/7857/v1/en/index.html Thanks for considering Sony products! Best regards, Estefany

Hi Osu, thanks so much for reaching out with your question! The answer is: Yes, absolutely! You can definitely pair two ULT TOWER 10 speakers together to blast the same music at the same time. There are actually two ways to do this depending on what kind of sound you want: -Stereo Pair: If you have two speakers, you can set them up as a Stereo Pair. This means one speaker plays the left channel and the other plays the right channel. It makes your music feel much wider and more immersive. -Party Connect: If you want to go even bigger, you can use a feature called Party Connect. This lets you link the two speakers (and actually up to 100 compatible Sony speakers!) so they all play the same thing in sync. Check out these links for more details: https://helpguide.sony.net/speaker/7857/v1/en/contents/TP1001304586.html https://helpguide.sony.net/speaker/7857/v1/en/contents/TP1001283593.html Thanks for considering Sony products! Best regards, Estefany