wireless lavalier microphone,,plug and play
condenser microphone
Battery capacity: 80MAH 
charging case battery; 300MAH 
Battery life: 5-6 hours 
SNR: 64DBM 
Adaptive noise reduction Transmission delay: 30MS Sensitivity: -38DB 
frequency response range: 20-20KHZ 
 noise reduction,  reverberation, monitoring, input, automatic connection, can be used for mobile phones, computers, tablets,  and other equipment    
Type-c or lightning connect