K15 wireless lapel microphone

Have stock for low MOQ&quick shipment
Chipset: Bluetrum
Microphone Battery capacity: 70mAh
Receiver Battery capacity: 50mAh
Transimission distance: 20M(barrier-free)
Working time: 3-4H
Noise ratio: 65DBM
Transmission delay: 30MS
Sensitivity: -38DB
Frequency response: 20-20K Hz
Working temperature: -10°C~45°C

Plug and play
Automatic noise reduction
Reverb function/speaker function
Ear return monitoring
1-to-2 double person use
Receiver with charging function
Wide compatibility with mobile/
computer/tablets/loudspeaker