Style:Handheld MicroCommunication:onference MicroProduct name:BOYA microuse:interview micron Frequency Range:584 MHz-608 MHz Frequency response:60Hz-15 KHz+ -3 dB Channels:48 Operation range:100m (300')(without obstacle) RF output power:20 mW Dimensions:10.6 x 6.7 x 2.9 cm Weight:95g without batteries sample order:welcome