Product name: SD-318
Bluetooth distance: 10m
Bluetooth parameters: mountain view Bluetooth 5.0
Microphone distance: 10m
Horn power: 2 * 15W
Playback time: 3-4H
Battery specification: 7.4V 14000mAh
Charging time: 3-4H
Charging mode: charger (specification 5V-2A)
Charging time of microphone: 1-2H
Package size: 375 * 215 * 218mm
Main functions: Bluetooth, TF card, LINE, USB flash disk, and built-in karaoke mode
