Technical Data:Power connection:Battery/battery pack Capsule type:Dynamic Polar pattern:Cardioid Battery:2 x Mignon (AA) (not included) Range:Range up to 30m with line-of-sight Frequency band:VHF RF power output:10 mW Switch:On/off switch; Mute control Material:Plastic Dimensions:Length: 24 cm Diameter: Ø 5 cm Weight:180 g