Reviews Oceanography Underwater Acoustics

LEGO Creator 3in1 Underwater Robot 31090 Building Kit, 2019 (207 Pieces)

  • Build and rebuild 3 models with this 3in1 set. Build the Underwater Robot toy and manta ray, and then rebuild to create a toy Submarine with a manipulator arm, or an Underwater Crane treasure hunt center!.
  • The Underwater Robot features flexible joints, viewing dome with red robot eye, mechanical-style hands with drill, claw and grabber, and huge feet for traversing the ocean floor in search of gold.
  • Underwater Robot stands over 5 inches (14cm) high manta ray measures over 1 inches (3cm) high, 2 inches (6cm) long and 2 inches (7cm) wide Submarine measures over 3 inches (9cm) high, 6 inches (17cm) long and 5 inches (13cm) wide.
  • Underwater Crane measures over 4 inches (12cm) high, 5 inches (13cm) long and 7 inches (18cm) wide.
  • 207 pieces – For boys and girls aged 7+ and for fans and kids of all ages.
  • This LEGO Creator 3in1 Underwater Robot 31090 set can be built together with all other original LEGO sets and LEGO bricks for creative building.
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American-Brand Fristaden Lab Resonance Bowl, Learn How Sound Waves Work, Bronze, Engraved with Han Dragons, Chinese Spouting Bowl for Classroom Education, Science Experiments

  • LEARN HOW SOUND WAVES WORK: Resonance bowls are for anyone who’s curious about the effect sound has on water. Simply rub the bowl’s handles to create vibrations and watch the water spout into small waves or fountain jets..
  • SEE THE DRAGONS: Resonance bowls, also called Chinese spouting bowls, originated 1000s of years ago during the Han Dynasty (202 B.C. - A.D. 9). A tribute to its history, the bowl has four Han dragons engraved in the bottom. Watch the dragons spout water from their mouths to create the illusion of them making the waves --- and not you..
  • WHO’S IT FOR? Anyone who’s curious about learning how things work! Perfect for kids interested in science, geology, oceanography and more. The sprouting bowl includes a user manual with experiments for kids to try at home or for teachers and educators to use in the classroom..
  • LONG LASTING QUALITY: The resonating bowl is built with high-quality brass materials to handle hard, everyday use year after year. The design is tough and durable..
  • AMERICAN COMPANY: Fristaden Lab is an American lab equipment company. We back the resonance bowl with a 1 Year Warranty. If you have any problems with or questions about the singing bowl, our customer service knows this product well and is ready to help you..
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Chasing Gladius Mini S Upgraded Underwater Drone Diving Equipment 4K Resolution + EIS Camera Dive to 330ft, 660ft radius wide ROV, with Robotic Arm and Premium Backpack (MINI S)

  • 【4K UHD + EIS Camera】The gladius MINI S underwater drone provides 4K and 1080P videos and 12 megapixel photos to easily capture underwater details and take you to explore the mysterious underwater world. Meanwhile, the drone is equipped with 1/2.3 SONY CMOS and EIS function, F1.8 large aperture and 2 x 1200 lumen LED light, providing you with smooth and stable underwater photography..
  • 【Dive to 330ft, Adjustable Attitude】The Chasing drone diving depth can reach 330ft, and the maximum horizontal shooting radius can reach 660ft, which can fully meet your shooting needs. Its maximum speed is 4 knots (2 m/s), taking you to enjoy the breathtaking underwater scenery..
  • 【Support Multiple Mounts】The gladius MINI S Underwater drone supports the attachment of mechanical arms and motion cameras. You can easily pick up objects in the water or shoot videos with higher pixel requirements. Aluminum alloy compact body (weight less than 6.6 pounds), The MINI S suit is equipped with mechanical arm, and our waterproof backpack, you can easily carry and use it more conveniently..
  • 【Excellent Performance, Stable Connection】Chasing ....
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Mack’s Acoustic Foam Earplugs, 3 Pair – Soft, Comfortable Ear Plugs for Concerts, Jam Sessions, Nightclubs and Loud Events

  • INNOVATIVE, SAFE HEARING PROTECTION – With a Noise Reduction Rating (NRR) of 20 decibels, these ear plugs help reduce the potentially harmful effects of loud music and noise while allowing clearer sound over standard foam earplugs.
  • SOFTER, CLEARER ACOUSTICS – Innovative hollow-cut and grooved design provides clearer acoustics and allows for improved communication.
  • EXTREME COMFORT – Made with super-low pressure, slow release, comfortable foam. Provides comfort, even for small ear canals..
  • MULTI-PURPOSE – Great for concerts, jam sessions, festivals, nightclubs, shop work, loud events, loud office spaces, etc.
  • USA’s #1 DOCTOR RECOMMENDED BRAND of foam earplugs to protect hearing or prevent hearing loss. Fully enjoy concerts and events while bringing dangerous noise down to safer, more comfortable levels..
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ORCATORCH D550 Scuba Dive Light, 1000 Lumens Super Bright Underwater LED Diving Flashlight with 3 Modes, IP68 Waterproof Night Dive Torch 150 Meters Submersible Light

  • 1000 Lumens Output & 8 Degree Beam Angle - ORCATORCH D550 dive light uses a high quality Cree LED with over 50,000 hours lifespan, the maximum output brightness can reach 1000 lumens, lights up the fantastic underwater world. 8 degree narrow beam angle provides you a super bright spotlight and longer beam distance, you can find out the lobsters in narrow crevices underwater easily..
  • Tail Magnetic Controlled Push-button Switch & 3 Light Modes - ORCATORCH D550 diving light has magnetic controlled push-button switch at the tail of the flashlight, to prevent unintended operation underwater. The light has 3 light modes, high, low, and hidden strobe modes to satify your different underwater lighting needs. It's very easy to operation underwater, ideal for primary divers!.
  • IP68 Waterproof & Robust Material - This led diving flashlights is made of AL-6061-T6 aircraft-grade aluminum, equipped with 3 O-rings special sealing design, reach the IP68 waterproof level, abrasion and seawater corrosion resistance. Plus a 4MM toughened tempered glass lens support the ORCATORCH D550 can be used at a depth of 150M underwater. If you use it on land, it's more waterproof than most flashlights..
  • Longer Run-time - The ORCATORCH D550 scuba light is powered by 1 rechargeable bat....
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Upgraded Waterproof Digital Camera, 48MP 2.7K 16X Zoom Dual Screen Waterproof Camera, 10FT Underwater Camera for Snorkeling – Yellow

  • ★ Capture HD Image – The underwater camera with a built-in electronic image stabilization system, can steadily and smoothly take up to 48MP photos and record 2.7K video, which can vividly record your extraordinary moments about water activity..
  • ★ Dual Screen Display – The underwater camera adopts a 1.8-inch front screen and a 2.7-inch rear screen display, can be easily switched to selfies mode with one press..
  • ★ 16X Digital Zoom And 6 Bursts – The underwater camera features 16x digital zoom and 6-burst with flash, it can capture precious moments in the dark and at long distances..
  • ★ 10 Feet Underwater – This underwater camera is completely sealed and waterproof, can reach 10 feet underwater, please make sure to fasten the battery cover before you use the waterproof camera in the water..
  • ★ Package Included – You will get 1*camera, 1*16G micro SD card, 1*lithium battery, 1*USB cable, 1*cloth bag, 1*lanyard, 1*manual..
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gladius Mini Underwater Drone, 4K UHD Underwater Camera for Real Time Viewing, Remote Controller and APP Remote Control, Dive to 330ft, Live Stream, Adjustable Tilt-Lock, Fish Finder, ROV

  • MINI can capture UHD footage at 1080p or 4K resolution and 12 MP resolution for photos.
  • Combined with F3.0 lens and 2 x1200 Lumens LED lights, you can enjoy the real time video from mysterious underwater world.
  • MINI underwater drone comes with a remote controller, which can precisely control the underwater drone to move, tilt up, down, lock the depth, speed up and adjust LED brightness.
  • With the CHASING APP, your phone can also remotely control like a gamepad.
  • Exploring the ocean floor is as easy and fun as a game.
  • With game control maneuverability and ±45° adjustable Tilt Lock mode, GLADIUS MINI moves fluidly in all directions for epic access to underwater scenes at speeds up to 4 knots.
  • Intelligent Control algorithms and one touch Depth Lock Mode help you navigate freely and hover at depth to find and capture exactly what you want.
  • Immersive Underwater VR And Live streaming MINI supports Virtual Reality equipment to provide a stunning underwater VR experience without ever getting wet.
  • You can also view and share live media ....
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ORCATORCH D710 Scuba Diving Light 3000 Lumen Super Bright Underwater Flashlight with 6 Degrees Narrow Beam IP68 Waterproof Night Dive Torch 150 Meters Submersible Light

  • ✅ Max 3000 Lumens Output & 6 Degree Narrow Beam Angle - Boasting a maximum output of 3000 lumens, the D710 dive light can illuminate even the darkest underwater environments. Its 6-degree narrow beam angle provides intense and focused lighting, allowing you to see even the tiniest details in the underwater world. Take your underwater exploration to new heights with this diving accessory and discover the stunning beauty of the underwater world like never before..
  • ✅ 6500K Cool White Light - The beam of cold white light is very bright and clear, which can penetrate the underwater environment well, illuminating distances and depths, and providing better visibility. It also can better restore the true color of underwater objects, allowing divers to more clearly and accurately identify the characteristics of different objects and creatures. Ideal for underwater scenarios that require high visibility, brightness, and color reproduction..
  • ✅ 4 Brightness Levels & Ultra-long Runtime -The D710 dive light has high (1700 lumen), medium (800 lumens), low (400 lumens), and hidden turbo (3000 lumens) modes to satisfy your different underwater lighting needs. A titanium alloy side push-button switch is reliable and practical, easy to operate. The run-time....
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QYSEA FIFISH V6 Underwater Drone + VR Box + 100M Cable + Spool + 64GInternal Storage + HDMI Box + Industrial Case Bundle

  • FIFISH V6 from QYSEA is the 1st compact size OMNI-directional ROV with 4K UHD camera..
  • The patented Smart Thruster Array empowers you to push beyond your creative boundaries and explore the vast underwater world without limits..
  • The professional 4K camera with a 166° FOV fixed lens for underwater video filming / photo shooting, support H.265 HEVC video format and RAW in DNG....
  • The VR smart technology fully immerses the user into the underwater world. With the Head Tracking feature, put yourself into the drone's....
  • Includes: FIFISH V6 Underwater Robot, VR Box, Remote Controller, Kevlar Tether (100m), Tether Spool, HDMI Box, Industrial Case, Underwater Robot....
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