Features: Bluetooth wireless connection technology, convenient to carry at any time. The head of the microphone is metal capacitor, which can effectively protect the safety of the chip. 3D metal mesh cover with built-in sponge can effectively reduce noise. Strong compatibility, compatible with most of the market sing song software. Built-in large capacity lithium battery, long working time, can let you sing heartily. With its own sound system, it can switch songs freely and has the function of one-click play/pause. Top double speakers with cool LED lights. Long press the volume button to adjust the volume. Support TF card playback function, plug and play. Specifications: Material: ABS Size: Approx. 23*8*8cm/9.06*3.15*3.15inch Color: Golden, Rose Gold(optional) Output Power: 5W Frequency Range: 100Hz-10KHz Reverb Mode: Sound reverberation Battery Capacity: 2600mAh Power Supply: DC5V Package list: 1 x Microphone 2 x Data Cable 1 x Instructions 1 x Storage Box 1、Bluetooth wireless connection technology, convenient to carry at any time. 2、The head of the microphone is metal capacitor, which can effectively protect the safety of the chip. 3、3D metal mesh cover with built-in sponge can effectively reduce noise. 4、Strong compatibility, compatible with most of the market sing song software. 5、Built-in large capacity lithium battery, long working time, can let you sing heartily.