Smartbarry Professional Karaoke Kit

Model: SW01 Bluetooth parameters: Mountain View Bluetooth 5.0 Battery specification: 7.4V/4000mAh Horn power: RMS (4 Ω 15W+(8 Ω 15W * 2) Charging time: 3-4H Microphone charging time: 1-2H Playback time: 3-4H Bluetooth distance: 10 meters Microphone distance: 10 meters Charging method: charger (specification 5V-2A) Product material: wooden box+ABS plastic Product colors: gray, black, brown, red Main functions: Bluetooth, TF card, LINE, USB flash drive, built-in karaoke mode