USB/AUX BT SPKR BLKWireless speaker with rich stereo soundLightweight and portableBluetooth(R) 5.0TWS technology to connect 2 like speakers via Bluetooth(R) to double audio output (second speaker sold separately)USB and auxiliary input compatibleOutput power: 3 watts x 2 woofers for 6 watts totalFrequency response: 100 Hz to 20 kHz