We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Yellow spherical speaker with zinc alloy body and RGB lighting

GravaStar

GravaStar Mars Pro yellow portable speaker 15H Bluetooth 5.0 4.4kg

SKU CH-5CMN-6YWNV

Zinc-alloy Bluetooth 5.0 speaker delivers dual-driver stereo sound, 15-hour playtime, six RGB lights and touch volume control in a 4.4 kg yellow body

  • NameGravastar Bluetooth Speaker Mars Pro_Normal Version
  • Coloryellow
  • Speaker TypeBluetooth Speaker
  • Wireless TechnologyYes
  • Bluetooth VersionYes
  • Weight4.4

Color M pro yellow

  • Dual speaker system delivers Hi-Fi sound with super bass
  • Zinc alloy metal body provides durable construction
  • 15H playtime keeps music going longer
  • Bluetooth 5.0 ensures stable wireless connection
  • Stereo pairing links two speakers from one device

Yellow zinc-alloy build

The GravaStar Mars Pro is a yellow portable Bluetooth speaker built with a zinc alloy metal body. It is designed for listeners who want a heavy, durable unit that can move between indoor and outdoor settings. The 4.4 kg weight makes it a stationary piece for parties, camping or home use rather than a light travel companion.

Single-device stereo pairing

Bluetooth 5.0 connects the speaker to one source device and the dual pairing function lets two Mars Pro units play in stereo from that same source. No cables or extra adapters are required to link the second speaker. The LED touchable volume control sits on the body for direct adjustment without reaching for the phone.

Six RGB lights and 15 hour battery

Six RGB lights provide visual feedback while the internal battery delivers up to 15 hours of playtime on a charge. The dual speaker system is tuned for deep bass and loud stereo output during those sessions. The metal chassis helps dissipate heat so the amplifier stays stable during extended high-volume use.

Highlights

  • Dual speaker system delivers Hi-Fi sound with super bass
  • Zinc alloy metal body provides durable construction
  • 15H playtime keeps music going longer
  • Bluetooth 5.0 ensures stable wireless connection
  • Stereo pairing links two speakers from one device

Specifications

BrandGravastar
NameGravastar Bluetooth Speaker Mars Pro_Normal Version
ModelMars pro yellow
Coloryellow
Speaker TypeBluetooth Speaker
Wireless TechnologyYes
Bluetooth VersionYes
Weight4.4

Other versions of this model

3 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How long will the Mars Pro yellow speaker run on a full charge before it needs recharging?

The speaker delivers up to 15 hours of playtime on a single charge, so it can last through a full day of listening before you need to plug it in again.

Does the 4.4 kg zinc-alloy body get hot or make fan noise during extended playback?

The unit has no internal fan and its metal chassis acts as a passive heatsink, so it stays cool and completely silent even after hours of continuous use.

What source device do I need to stream audio to this speaker wirelessly?

Any phone, tablet or computer with Bluetooth 5.0 will pair instantly and stream music without extra adapters or cables.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.