FAQs

What version of Bluetooth does GravaStar Speaker use?

GravaStar speaker uses Bluetooth 5.0. Compared with Bluetooth 4.2, Bluetooth 5.0 minimizes playback delay, covers larger distances, and consumes less energy. Bluetooth 5.0 is also compatible with Bluetooth 4.2, making it the ideal choice for this innovative speaker.

How to connect Gravastar Speaker to Bluetooth Devices?

For Gravastar Mars Bluetooth speakers:

When Gravastar Mars speaker is turned on, press the button of Bluetooth for 1 sec. Please do not press it long. Once you hear “Ready to Pair”,  then you can choose ''Gravastar'' from the Bluetooth list of your devices. When you hear ''Bluetooth connected'', the connection is successful.

You can disconnect Bluetooth with one press of the Bluetooth button. You will hear "Bluetooth disconnect"and "Ready to pair" when it’s done, you can change other Bluetooth devices.

For Gravastar Venus Bluetooth speakers:

Turn on Venus, you will hear “ready to pair”. Make sure the Bluetooth on your Bluetooth devices is activated. Go to “other devices” on your device and find VENUS, click it, then it is connected, you will hear “Bluetooth connected”.

Please note that even if it's connected to a new device, you only need to turn on Venus and don’t need to press the Bluetooth button. The next time when you use the same device, Venus will connect to your device by itself. 

How to reset Gravastar Speaker?

If the Gravastar speaker crashes, you must restore factory settings.

To reset the Gravastar speaker to its factory settings, simultaneously press both the Bluetooth Button and the Light Button at the same time. Gravastar will power down. Once you restart the Gravastar, the system will be reset to its factory configurations.

What is True Wireless Stereo (TWS)?

True Wireless Stereo (TWS) is a Bluetooth feature that allows wireless streaming of sound in two discreet "Stereo" channels. If you have two Gravastar speakers, they are able to have true stereo sound.

Note: True Wireless Stereo (TWS) is only workable with two Gravastar Mars speakers or two Gravastar Venus speakers. One Gravastar Mars speakers and one Venus speakers can't make stereo sound.

How to use TWS?

For Gravastar Mars Bluetooth speakers:

Press and hold the "Connect" button (with Bluetooth icon) for 3 seconds on each of two GravaStar Mars speakers – the button does not need to be pressed at the same time.

When you hear both speakers making a sound, they are ready to be paired. Within 5 seconds, you will hear “Network connected” and both volume indicator lights will stop on half, TWS connected.

If none of them connected with your equipment, choose one to connect.

For Gravastar Venus Bluetooth speakers:

Turn on both Venus speakers, connect one Venus speaker to your any Bluetooth devices, then press the Bluetooth button on one speaker, they are connected after hearing “Network connected”.

How to charge GravaStar speaker?

Low battery is indicated by a flashing power indicator and an audible “not enough energy” message. Simply plug in the USB (Type-C cable, included) to a USB power source and the power indicator light will flash slowly. When the GravaStar is fully charged, the power indicator light will stay on illuminated. 

It will take 5-6 hours to charge Mars fully. For Venus, it will take 2 hours for fully charge.

How long does GravaStar battery last?

For Gravastar Mars Bluetooth speakers:

The rechargeable battery of Gravastar Mars speaker lasts up to 20 hours under normal use. In our tests, GravaStar Mars speaker lasted over 15 hours with back-to-back parties, and also with a three-day wilderness tour.

For Gravastar Venus Bluetooth speakers:

The rechargeable battery of Gravastar Venus speaker lasts up to 10 hours under normal use.

Does Gravastar Speaker have an AUX input port?

For GravaStar Mars Bluetooth speaker: 

Yes, simply plug in any musical device with a 3.5mm AUX cable (included) to the AUX input port on the bottom of Gravastar. The AUX connection takes priority over any Bluetooth connection so that only one audio source will play at a time.

For GravaStar Venus Bluetooth speaker: 

Gravastar Venus speaker does not support AUX.

What comes in the box besides speaker?

For GravaStar Mars Bluetooth speaker: 

GravaStar Mars speaker is packaged with a 3.5mm AUX cable, a USB (Type-C) charging and a manual.

For GravaStar Venus Bluetooth speaker: 

GravaStar Venus speaker is packaged with a USB (Type-C) charging and a manual.

How to adjust the volume control of Venus?

Just simply press the volume buttons on top of Venus. The volume control is very sensitive. Although Venus is a super loud speaker with super-strong bass, the volume could be very low when you want it.

How to change the color of the RGB light of Venus speaker?

Press two volume buttons on top of Venus at the same time for 1 second. Their light will be changed.

Where can GravaStar be shipped?

Gravastar provides worldwide shipment.

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