Pro20. version: Jerry 5.1. Transmission distance: 10 + m. Battery capacity: 30mAh. Charging bin capacity: 300mAh (with
protector). Speaker: 13mm composite film. Music time: 4-6h. Standby time: 120h. Charging time: 1-2h. Single weight: 124G. Pack of
boxes: 100PCS / piece. Full box: 11.6kg. Outer box size: 53 * 51 * 19cm