KOOSDA KMP156AI WIRELESS MICROPHONE WITH Ai AI Noise Reduction Wireless Microphone Suitable for short video broadcast , recording interviews, etc. ** TWO IN ONE ** Specification: Wireless frequency range 2400 - 2480MHz Modulation range GFSK Audio frequency range 20Hz - 20KHz Audio delay 80dB Battery TX Transmitter 120mAh Charging input TX Transmitter DC5V/100mA Charging time TX Transmitter Approximately 1.5 hours Usage time TX Transmitter Approximately 8 hours Reference Operating Distance 50 meters (Barrier free) Feature : AI intelligent noise reduction offers native experience The hands - free microphone weights only 10g 32-hour Ultra - long battery life Maximum sound pressure level : 130dBSPL Stable transmission over a distance of 200 meters Note : 06 months warranty available Cash on delivery available telesoon chunnakam