The electronic wireless mics even have replaceable AA batteries to help you party all day and rock all night. Built-in rechargeable Li-ion battery supports around 24hours of playtime and charges gadgets via dual USB https://oisivjyz795042.luwebs.com/29874009/an-unbiased-view-of-jbl-dubai-speaker-wireless-speaker-party-speaker-wireless-headphone-proof-portable-blueooth