
H/t: Gizmodo
Put simply, ferrofluid is essentially a liquid that is attracted to the poles of a magnet that are made of magnetic particles suspended in a carrier fluid. Artist Dakd Jung decided to create a speaker that uses this liquid to visualize music, but for this to be possible, the glass container first had to be treated to prevent the particles from sticking. Next, the custom 3D-printed housing had to be sanded and wired to an electromagnetic device.

JBL’s Flip 4 Bluetooth Speaker is perfect for pool parties or just outdoor activity, and you can get one for $59.99 shipped, today only, originally $79.99. It builds upon its predecessor with improved sound clarity / bass, up to 12 hours of playback time and a waterproof design boasting rugged new fabrics. The JBL Connect+ gives you the ability to connect more than 100 JBL Connect+ enabled Flip 4 speakers together, amplifying the listening experience and filling any room with rich sound. Product page. Read more for a hands-on video review and additional information.

Altec Lansing’s LifeJacket XL Jolt Speaker is so durable that it can even float in water, and it’s being offered for just $69.99 shipped, today only, originally $116.32. Plus, it has five different lighting settings based on the mood of your music, while a built-in Qi Wireless Charging pad and USB ports ensure that your mobile devices stay charged. Product page. Read more for a hands-on video review and additional information.

Jabra’s Elite 65t Wireless Earbuds have Alexa built-in, and you can get a pair for $49.99 shipped, today only, originally $119.99. Its lightweight design for long-term comfort with up to 15 hours of battery life – five hours initial and an extra ten from the charging cradle – making them perfect everyday solution. Using Alexa, users can ask to play music, hear the news, check the weather, control smart home devices, and much more. Product page. Read more for a hands-on video review and additional information.

Logitech’s X300 Mobile Wireless Stereo Speaker is great for any room, and you can get one for $25.99 shipped, today only, originally $69.99. Featuring deep bass response with detailed mid / high range in a compact design and once paired, it has a 30-foot wireless connectivity to Bluetooth-enabled devices, including smartphones, tablets, as well as laptops. Product page. Read more for a hands-on video review and additional information.

JBL’s Boombox Waterproof Portable Bluetooth Speaker packs massive bass into a compact package and it doubles as a 20,000mAh power bank, all for $299.95 shipped, today only, originally $399.95. It comes equipped with four active transducers and two JBL bass radiators to deliver monstrous sound, along with hardest hitting bass that you will not only hear but also see. Product page. Read more for a hands-on video review and additional information.

The Sennheiser MOMENTUM True Wireless Bluetooth Earbuds are best in class, and you can get a pair for $99.95 shipped, today only, originally $299.95. It offers a slim and lightweight design with 4 ear tip sizes for all day ergonomic comfort as well as superior sound isolation. The exquisitely sculpted earbuds have been finished with beautiful metallic details on the outer face, complete with gold plated charging pins and snap-in magnets on the other. Product page. Read more for a hands-on video review and additional information.

Razer is back at it again, and this time, they’ve revealed the Hammerhead True Wireless Pro Earbuds. Unlike its predecessor, this model features both THX Certified audio and advanced hybrid Active Noise Cancellation. The latter nullifies both unwanted external and internal noise by generating inverse sound waves simultaneously, while combining it with an enhanced passive noise isolation solution by incorporating two external (feedforward) and two internal (feedback) microphones. Read more for another picture and additional information.

The Jaybird X4 Sport Wireless Bluetooth Headphones are designed for sport, fitness, or just any outdoor activity, and you can get a pair for $49.99 shipped, today only, originally $129.99. Aside from being sweatproof, the IPX7 waterproof rating means that these wireless headphones can handle any inclement weather you encounter: rain, snow or even accidental submersion down to one meter for up to 30 minutes. They feature new silicon fins and ultra-soft silicon tips in several different sizes, while Jaybird Comply Ultra foam tips boast thermo-reactive foam that conforms to your ear canals for a comfortable and secure fit. Product page. Read more for a hands-on video review and additional information.

SOUNDPEATS TrueShift2 Wireless Earbuds are designed for active lifestyles, and you can get a pair for $30.09 shipped, today only, originally $39.99. Thanks to its IPX7 rating, these earbuds are designed withstand water and sweat, making them perfect for running, gym, jogging, yoga, fitness, travel, outdoor activities and more. The 3000mAh charging case doubles as a power bank for your mobile devices. Product page. Read more for a hands-on video review and additional information.