The BASS of this 2.1 channel speaker is very loud.
It works with any usb port you can plug this in your laptop,desktop,power banks you can also plug this in your traditional phone charger.
Get this amazing speakers on amazon at:https://www.amazon.in/dp/B016WXI23U/ref=cm_sw_r_wa_apap_B6CwSOsvEoHv2.
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