**Product details:
**Product details:
**BH-4 Protable Bluetooth Hi-Fi Speaker
Features:
**1.Built-in high -quality digital amplifier,RMS 30Watts each channel.
**2.Uses the latest bluetooth APTX standard for best possible wireless hifi transmission.
**3.Full remoter control functions,all operations are easily handled with remoter control.
**4.Connections:AUX1,AUX1(3.5MM),Sub out,Optical(Options),to connect different sources.
**5.Frequency range:45-20,000Hz.
**6.Auto standby power: