Description Hoco BK5 – Cantando Karaoke Microphone, Bluetooth V5.0, Use Time: Up To 6 Hours, Support TF Card/U Disk Playback (32GB Max), Multiple Voice Change Mode  Bluetooth solution:JL AC6925; Bluetooth version: 5.0 Speaker diameter: 57mm, power 5W Battery capacity: 1200mAh, 3 hours of charging, 6 hours of music time Wireless connection: Song microphone can connect to mobile phone via Bluetooth Support TF card/U disk playback, the capacity does not exceed 32G; the original singer/accompaniment one-key switch; With magic sound function, multiple voice change modes, K song is more interesting