How is the sound quality of this speaker？

Surprisingly quite loud. I have found you definitely get the best boom when you face the back of it towards a wall or even better a corner. If you have it sitting in the middle of the room it is kind of lacking. My wife has a Bose Soundlink Revolve which does a bit better than the Gravastar, but those Bose are $100 more. Overall its a great speaker and the build of the thing is pretty cool. I have heard of people having the legs snap off, but I handle it like a $200 speaker- I am nice to it haha.

Where is the aux audio port 3.5? I only see usb-c? how do you charge it using the usb-c and plug aux audio cable in at the same time?

The speaker comes with an Type C to Aux cable

What are the db ratings for this device? is the sound okay? would you recommend this to.someome who really enjoys having bass sounding systems? thank

The bass on this thing is entirely bumpin, like if you want a little robot buddy to thump your desk like it worships slaanesh, this is your guy

when you set-up two speakers together using the TWS feature, do you have to do it every time you power off and on or can they stay paired?

After initial setup speakers stay paired.

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Description

🚀 Elevate your vibe with Mars Pro: where stellar sound meets cosmic style!

SEAMLESS CONNECTIVITY - Bluetooth 5.0 ensures ultra-stable, low-latency wireless streaming up to 10 meters—ditch the wires, not the quality.
STAY UNPLUGGED LONGER - Massive 4000mAh battery powers your soundtrack for up to 15 hours—perfect for all-day work sessions or weekend escapes.
OUT OF THIS WORLD SOUND - Dual speakers with passive radiators deliver crystal-clear audio and deep, room-filling bass that commands attention.
SET THE MOOD WITH LIGHT - Six customizable RGB lighting effects sync with your music, transforming any space into a vibrant, immersive experience.
FUTURISTIC DESIGN MEETS DURABILITY - Sleek zinc alloy spherical body with shock-absorbing triangle support blends sci-fi aesthetics with rock-solid stability.

The GravaStar Mars Pro is a 20W wireless Bluetooth 5.0 speaker featuring dual drivers with passive radiators for rich, clear sound and powerful bass. Its futuristic zinc alloy spherical design includes shock-absorbing supports and dynamic RGB lighting with six modes. With a 4000mAh battery, it offers up to 15 hours of playback and supports USB-C fast charging. Ideal for professional millennials seeking a blend of cutting-edge aesthetics, immersive audio, and long-lasting performance both indoors and outdoors.

Specifications

Speaker Type	Soundbar
Special Feature	Bluetooth, Wireless
Recommended Uses For Product	For Smartphones or Tablets
Compatible Devices	Laptop, Smartphone, Tablet
Controller Type	Button
Color	black (black 19-3911tcx)
Battery Life	15 Hours
Included Components	GRAVASTAR Mars Pro Bluetooth Speaker, Type C+ AUX Cable, Type-C Cable, User Manual
Product Dimensions	20.5D x 20.5W x 20.6H cm
Item Weight	1.3 Kilograms
Is Waterproof	False
Maximum Range	10 Meters
Batteries Required	No
Manufacturer	深セン市拙野创意有限公司
Item Model Number	Gravastar Mars Pro
Output Wattage	20 Watts
Wattage	20 W
Signal to Noise Ratio	86 dB

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