Product details Batteries : 1 LR44 batteries required. Is Discontinued By Manufacturer : No Product Dimensions : 10 x 5 x 3 cm; 200 Grams Date First Available : 29 July 2019 Manufacturer : Boya ASIN : B075SMZ96H Item model number : BY-MM1 Brand Boya Connectivity technology Auxiliary Connector type 3.5 mm Jack Included components 1 Polar pattern Unidirectional Audio sensitivity 42 dB Item weight 0.2 Kilograms Item dimensions LxWxH 10 x 5 x 3 centimeters Number of batteries 1 LR44 batteries required. Signal-to-noise ratio 76 dB