Suitable for sound cards and stereos, the sound is fuller and more powerful after using the microphone amplifier, and singing is easy and effortless; Support 48V condenser microphone, dynamic microphone; Balanced amplifier circuit; You can use the mobile phone charging for charging, the dynamic microphone can be used continuously for more than 10 hours, and the condenser microphone can be used for about 3-5 hours with 48V turned on. Different microphones perform differently; Do not turn on the 48V switch when using a dynamic microphone. Colour:Black Material:Metal + Plastic Specification: B Package Contents: 1 x amplifier 1 x Charging Cable 1 x XLR cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.