Functions:
1.Built-in Li-ion battery
2.Bluetooth connection
3.TF card reading
4.FM
5.Microphone
6.Voice prompt

Accessories:
1.One USB line
2.Aux-in line
3.Manual

Package:
1.20PCS per carton
2.NW：50.7LB
3.GW：52.9LB
4.Meas.：19.7 x 16.9 x 15.8 inches