Bluetooth Version: V4.2 Loudspeaker Output: 5W Working Range :in 10metres Play time values for speakers: 3-4hours Package Content – 1* Bluetooth Speaker It will close automatically after 30 mins if Bluetooth mode no connection Finish – Gross There is no charging cable come with this…! Keywords- mini boost 4, bluetooth speakers, mini speaker, steel round blue tooth speker, speakers bluetooth wireless, mini speaker bluetooth, bluetooth connection speaker charging, steel bluetooth speaker, steel speaker