Welcome to our store！</br> 1、DYNAMIC MICROPHONE CORE: Microphone adopts professional dynamic microphone core, restore the human voice, filter environmental noise, sound friendly. 2、ERGONOMIC DESIGN: Microphone adopts ergonomic design, comfortable hand feeling, let you enjoy the free of the wireless 3、AUTOMATIC FREQUENCY MATCHING: Portable handheld mic speaker is simple to operate, automatic frequency matching, fast and convenient, easy to change the frequency. 4、HIGH FREQUENCY RESPONSE: Wireless handheld microphone high frequency response range, allowing you to hear richer sound details. 5、ALUMINUM ALLOY MATERIAL: Powered by battery, easy to replace the battery, aluminum alloy material, not easy to damage, can be used for a long time. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type:&nbsp;Wireless&nbsp;Microphone Material: Aluminum Alloy Microphone Parameters: Frequency Range: 610MHz to 675MHz Modulation System: DQPSK Frequency Response: 60Hz to 16KHZ Transmit Power: 10dBm Battery Type: 3V Operating Current: ≤100mA Microphone Battery: AA Battery Two (Battery Not Included) Receiver: Frequency Range: 610MHz to 675MHz Receiving Sensitivity: -94dBm Battery Type: 3V Operating Current: ≤100mA Receiver Battery: AAA Battery Two (Battery Not Included) <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Wireless&nbsp;Microphone&nbsp;(Battery Not Included) 1 x User Manual 1 x Anti Slip Sleeve 1 x 3.5mm Adaptor 1 x Receiver (Battery Not Included) Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>