? Bluetooth music playback? speakerphone? Output Power: RMS 2 * 5W ? Speaker inverted tube: 2? Frequency Response: 100HZ --- 18KHZ? SNR: ��75dB? Playback formats: MP3? Interface: AUX.? Built-in lithium battery: 1800mAh? Power input (USB): DC5V? Housing: plastic / iron netsSpeaker inverted phase tube�����Уã�color:black，whitepackage include:1��soundbar