K380D Microphone Professional Handheld Wireless UHF Microphone System with Portable Receiver 1/4'' Output Karaoke Receiv

Technical specifications Frequency band UHFUHF band Changeable UHF band CH01 CH10 Frequency Response 50Hz 18kHzSNR 70dBDistortion 0 5 UHF Range Indoor range 50ft Outdoor range 100ft Receiver bluetooth Range 16ft 33ft OutdoorMicrophone Battery 2 x AA batteries Not Included Receiver Battery Built in Lithium BatteryPower Saving Automatically turn off for 5 minutes no usingPackage List 1 Handheld Microphone1 K380D bluetooth Receiver Built in Lithium battery 1 Microphone Windscreen1 USB Charging Cable1 6 5mm to 3 5mm Converter1 Antiskid Ring1 User Manual