1. The speaker supports Bluetooth wireless connection
2.Support 3.5mm audio live recording
3.Supports 3.5mm hole external wired microphone
Power input: 5V
Output power: 15W
Speaker unit: 3-inch dual speakers
Audio input: AUX, TF card, Bluetooth 5.2
Sensitivity: 80db+-2db
Built-in lithium battery: 4000mah
Play time: about 4 hours
Bluetooth transmission distance: 10M
Speaker size: 189x104x154mm
Packing size: 230x200x150mm, 1.5kg
Microphone size: length 175mm, diameter 38MM
Pickup: moving coil type
Input voltage: 5V
Battery capacity: 500mah
Vocal frequency: 20HZ-20khz