Wireless mic

Material: ABS
Color: Black
Receiver battery capacity: 100mAh
Microphone endurance:  4-5hours
Box size: about 9.3*3*12.7cm
Product size: about 8*2*1.5cm
Receiver connector: 3.5mm diameter
Microphone: digital silicon microphone
Bluetooth version: 5.0
Input voltage: 5V
Signal to noise ratio: ≥60dB
Frequency response: 20HZ-20KHZ
Transmission distance: 20 meters
Quantity: 1 Set