1Bluetooth wireless connection technology, convenient to carry at any time. 2The head of the microphone is metal capacitor, which can effectively protect the safety of the chip. 33D metal mesh cover with built-in sponge can effectively reduce noise. 4Strong compatibility, compatible with most of the market sing song software. 5Built-in large capacity lithium battery, long working time, can let you sing heartily.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: ABSSize: Approx. 23*8*8cm/9.06*3.15*3.15inchColor: Golden, Rose Gold(optional)Output Power: 5WFrequency Range: 100Hz-10KHzReverb Mode: Sound reverberationBattery Capacity: 2600mAhPower Supply: DC5VPackage list:1 x Microphone2 x Data Cable1 x Instructions1 x Storage Box