... ,with USB/SD Card reader input2,with 1 pcs wireless microphone and 1 input wired MIC jack,1-way for ... ,Frequency range:VHF 210-270MHZ7,Frequency response:50HZ-18KHZ8,Wireless microphone distance:within 50M9,speaker driver unit:8inch and tweeter10, ... by carton 1pcs/cartonTermsstage active rechargeable battery speaker with wireless microphoneavailable to make difference size based on same design ...