Speaker power supply: USB-A (5V/2A) Easy to use touch buttons. (Backlight control) Interface: 3.5mm Jack / Bluetooth 5.1 Cable length: 1.50 meters Frequency Response: 130Hz~20KHz Impedance: 4Sensitivity: 82 ± 3dB BOOMEE: BLUETOOTH 5.1 SPEAKERUSB-A powered computer speakers.BOOMEE stereo speakers deliver clear sound and a compact form factor ideal for small offices. The right speaker lets you control speaker volume and power. Peak power of 10 watts RMS (2x 5watts) delivers clear stereo sound through the two 50mm drivers. The speakers connect via Bluetooth 5.1 or using the 3.5mm jack and are powered via the integrated USB cable. Loudspeakers Driver diameter 5 cm Audio Sensitivity 82 dB Impedance 4Frequency range 130 - 20000 Hz RMS rated power 3 W Performance On/off switch Yes Castor wheels No Volume control Buttons Number of speakers 2 Recommended usage Universal Product colour Black Ports & interfaces Card reader integrated No AUX in No 3.5 mm connector Yes Wi-Fi No Bluetooth versi