Check the listing for details. 2in1 Handheld Wired/Wireless Cordless Microphone Karaoke System Undirectional. Color: Black, Condition: New. Listed at 15.97 USD. DecemDerMall Happy for bidding 2in1 Handheld Wired/Wireless Cordless Microphone Karaoke System Undirectional 800?'800px':this.width); max-height:800px;height:e­xpression(this.height>800?'800px':this.height)" src="https://i.ebayimg.com/00/s/NjAwWDYwMA==/z/TbwAAOSwnipWVmnK/$_1.JPG?set_id=880000500F"> 800?'800px':this.width); max-height:800px;height:e­xpression(this.height>800?'800px':this.height)" src="https://i.ebayimg.com/00/s/NjM5WDYxNA==/z/WnUAAOSwys5WVmnM/$_1.JPG?set_id=880000500F"> This microphone combined both wired and wireless functions. Wireless let you singing free of dragging cord. Wired let you singing without the concern of battery power off. You can use this for speeches, lectures, meetings, karaoke, music performances or anything else. Easy operation and convenient use. Features: Fashionable and practicable designNice shape and unique styleHigh quality and durableLight weight and portableCombined both wired and wireless functions Specifications: Color: blackThe length of the Microphone Cord:2.5mPackage weight:9.3 oz/263gMicrophone sensitivity: -54dB3dB(0dB=1V/Pa)Directivity: Un-directionalFrequency response: 100Hz-10,000HzOut put impedance: 600ohmOperating voltage: DC 1.5VWorking distance: 8-20mImpedance:600 ohmS/N ration: 60dBReception sensitivity:30dB/uVWorking distance: 30m How to use: Wired:Make sure the battery is not in the Microphone. And plug the cord to the microphone and your audio amplifier. Switch microphone to MIC position, and start to sing.Wireless:Install batteries into both microphone and receiver. Switch on them, the connection will be built easily. With LED indicator. Switch microphone to ON position, and start to sing. Switch microphone to MIC position when you need a short break. It won't collect other voices to the microphone.If it does not work normal. Use a screw to press the RESET hole on the receiver.If you don't use it for long time. Please take batteries out to protect the microphone's components. Package Details: 1 x Microphone (Without Package)1 x Microphone Wireless Receiver (Battery Not include)1 x Microphone Wireless antenna1 x Microphone Cord1 x User Manual Shipping Item will be sent out by USPS or other carrier accrodingly. No local pickup. We reserve the right to change the shipping method without notifying customers. We have multi-warehouses in NY/CA/KY/TX,so your item may not be sent from the warehouse which stated in the item location. Payment We accept online payments managed by eBay. Contact Please send us a eBay message if there is any problem with your order before leaving us a negative feedback/low DSR rating/opening a return case, we will reply within 24 hours.