Green Lion 3 in1 Micro Phone Type C/Lightening/AUX -Frequency Response Range: 20-20KHz -Transmission Distance: 20m-30m -Microphone: Digital Silicone Mic -Signal-to-Noise Ratio: 64dB -Transmission Delay: 30MS -Battery (Receiver): 80mAh -Battery Life: 3-4 Hours -Battery (Mic): 60mAh -Sensitivity: -42dB -Carrying Case -Input: 5V Green Lion 3 in1 Micro Phone Type C/Lightening/AUX -Frequency Response Range: 20-20KHz -Transmission Distance: 20m-30m -Microphone: Digital Silicone Mic -Signal-to-Noise Ratio: 64dB -Transmission Delay: 30MS -Battery (Receiver): 80mAh -Battery Life: 3-4 Hours -Battery (Mic): 60mAh -Sensitivity: -42dB -Carrying Case -Input: 5V