A:AnswerYou can enjoy the sound by using two units. For enjoying WIRELESS PARTY LINK, you need to
purchase another unit. For more information visit the link to access the Owner's Manual starting on page 41. ^Daphane https://www.lg.com/us/support/product/lg-RN5.DUSALLK
A:AnswerI am sorry, the factory did not provide that specification. Please seek answers at https://lgcommunity.us.com. The LG Community Forum is a great resource for getting help from other LG customers. ^Daphane