Description: 【Versatile and Powerful】: This product is suitable for sound cards and speakers. With the use of a microphone amplifier, the sound becomes fuller and more powerful, making singing effortless and enjoyable. 【Suitable】 It supports both 48V condenser microphones and dynamic microphones. 【Balanced Amplification Circuit】: The device features a balanced amplification circuit with a 6.5 single-ended input gain of 22db and an XLR balanced input gain of 27db. This ensures clear and powerful sound output. 【Convenient Charging and Long Life】: The device can be charged using a mobile phone charger. When using a dynamic microphone, it can be used continuously for more than 10 hours. A condenser microphone can be used for about 3-5 hours when the 48V is turned on. The performance may vary depending on the microphone used. 【Safety Usage】: Please do not turn on the 48V switch when using a dynamic microphone. This is to ensure the safety and longevity of the device. Specification: Material: Plastic Size Chart: 9.4cmx5.3cmx4.1cm/3.70inchx2.09inchx1.61inch Package Includes: 1 Set Microphone Amplifier Note: Please allow slightly errors due to manual measurement and different monitors.