BY 3070 Portable SpeakerFeature: – 360 ° surround sound, sound quality without noise. – Built-in FM radio function, listen to a popular music radio, easy operation. – Support wired microphone insertion, connect the microphone at any time to sing. Bluetooth 4.2, distance up to 10m, can be connected to mobile phones, tablets, computers, s or laptops. – Battery capacity, 2000mAh, 4 hours of a new love for continuous playback, endurance, and strong.