... time provide youo perfect sound quality. Support NFC, easy connected with smartphone.Produc parameters Material: Metal,SiliconeColor: Black,Red,WhiteSize: ... speaker.360 Degree surround-sound, Bluetooth subwoofer.Different LED lights flash alternately, and flash rhythmic according to the music ... to 8 hours.Built-in microphone, supports hands-free, talk with phone.Support TF card ( not included ) up to ...