Check the listing for details. Hisonic HM800 Professional Wired Dynamic Handheld Microphone Uni-directional. Condition: New. Listed at 17.99 USD. Hisonic HM800 Professional Wired Dynamic Handheld Microphone Uni-directional The Hisonic HM800 represents today's excellent price/performance value for vocal dynamic microphones. It offers the same high-quality rugged metal construction and excellent reliability, durability and superior performance as that of some of the well-known popular microphones - yet at a small fraction of their price, ideal for home Karaoke, public speaking, recording and etc. A 10-foot long audio cable and a carrying case are included. Specifications: Pick-up pattern: Uni-directional Frequency response: 45 - 19,000 Hz Output impedance: 340 ohm Sensitivity: 74 dB Body material: Zinc alloy Net weight: 10 oz (not including cable) Dimensions: 2" (diameter) x 7" (length)