Features: It adopts BT V4.2 technology and is compatible with most BT devices such as smartphone and tablet, which not only reduces standby power consumption, but also improves transmission distance and stability. 5W*2 stereo drivers, Intelligent noise reduction capacitive pickup, singing without howling, recording without breaking sound, to achieve real low noise and high fidelity, clear and crisp sound effect. It built-in 1000mAh rechargeable battery, gives you long-lasting fun, Repeatedly charged it without replacing batteries. Support AUX output and TF card playback, more choice for other non-BT player or devices.You can sing, record and play music as you want. The sounding chamber is covered with fabric, great sound performance, Metal handle, comfortable to use.