ELEGIANT SR300 USB-Powered Wired and Wireless Computer Speaker for Desktop or Laptop
Power on: Any PC USB Port or 5V 2A Power Adapter(Recommend)
Q&A
Q1: What are the dimensions of this product?
A1: 4.25 x 3.42 x 7.87 inches, 2.56 pounds.
Q2: How long are the cables?
A2: The usb and 3.5mm cables are 59 inches, and the length of the cable connecting the two speakers is 36.6 inches
Q3: Can it work with TV/ Echo dot/ Phone/ Projector/ Mac/ Monitor...?
A3: Yes, It works with your device as long as it has 3.5mm audio port.

Huge Stereo Sound
Whether you're partying, playing games, working out, or just lounging around the house, enjoy a full-range stereo sound with impressive volume.
Technical specifications:
Rated power / RMS: 5W * 2(THD10%)
Peak power / PMPO: 200W
Speaker impedance: 2O5W
Input impedance / input impedance: 10K O
Frequency Response / Frequency: 150Hz20KHz
Resolution / separation: = 35db
Input sensitivity / input sensitivity: 700mV ± 50
Signal-to-noise ratio / =70db
Input voltage / power consumption: 5V
Indicator light: Red and Blue
Bluetooth version: 5.0+EDR+BLE

2 * 5W dual subwoofers
Built-in 2 * 5W dual subwoofers speaker bar which contributes to enhance the stereo sound effect, the ELEGIANT SR300 usb power pc speaker provides excellent sound performance that gives you a pleasant experience when watching movies or listening the music.

Wired Audio Mode
Just plug in the USB cable into a usb outlet or 5V usb charger for power and plug 3.5mm cable into your audio device audio out/ headphone jack. Turn on the power switch. Dial the volume knob at appropriate level. After the usb and 3.5mm audio cable are plugged in, long press the power button to turn on the SR300 computer speaker soundbar. The indicator will stay the red light in this mode. Press the power button button to mute the music.

Bluetooth Mode
Press the "M" button on the speaker to switch the mode, the inicator will flash red&blue, and the tone will ring.
Enable the Bluetooth function and search the device "ELEGIANT SR300", click to connect it.
After successfully connected, the indicator will stay the blue light.
Then you can press the power button to pause/play the music, long press the "+" "-" to play the pre/next song.

Wide Compatibility
The SR300 Bluetooth sound bar spakers compatible with windows and Mac OS computers, PC, Desktop, Laptop, Tablets, Phones, DVD, Projectors, echo dot, MP3 player, small TV, as long as it has 3.5mm audio out or headphone jack.
Bluetooth 5.0 and EDR BLE technology make it easier and faster to connect to your smartphones, tablets or other bluetooth devices.