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Description
bluetooth swimming goggles Sanag B91S Pro RunPower Open Ear Swimming Bone Conduction Headphones – Sanag ShopFeatures Wrap Around Suspension Design 360 Degree Power Reverb High Density Gravity Sensor Clear Calls with CVC Noise Cancellation Smart Bluetooth 5. 3 IPX8 Waterproof Rating Specifications Model Sanag RunPower B91S Pro Bone Conduction Headphones for Swimming Bluetooth Bluetooth 5. 3 Charging Input DC 5V 170mAh Transmission Distance 10 Meters Working Frequency 20Hz 20KHz Bone Conduction Headphone Size 137*107. 8*47. 2mm Charging Time About 1. 5
Features
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Wrap-Around Suspension Design
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360-Degree Power Reverb
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High-Density Gravity Sensor
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Clear Calls with CVC Noise Cancellation
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Smart Bluetooth 5.3
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IPX8 Waterproof Rating
Specifications
| Model | Sanag RunPower B91S Pro Bone Conduction Headphones for Swimming |
| Bluetooth | Bluetooth 5.3 |
| Charging Input | DC 5V 170mAh |
| Transmission Distance | 10 Meters |
| Working Frequency | 20Hz-20KHz |
| Bone Conduction Headphone Size | 137*107.8*47.2mm |
| Charging Time | About 1.5 hours(Better to charge over 2 hours at first time) |
| Waterproof Level | IPX8 Waterproof |
| Operating Temperature | -20 Dgree to 60 Degree |
| Storage Temperature | -20 Dgree to 60 Degree |
Details
Comfort
Skin-friendly Golden Triangle Ear Wings
The ergonomically crafted golden triangle ear wing design ensures a comfortable fit. With the wrap-around style of the Sanag B91 open-ear bone conduction headphones, worry not about compatibility with different head shapes. The dual design approach guarantees lightweight, secure, and flexible headphone wear.
Aesthetics
180-degree Batwing-shaped Headlights
180-degree batwing-shaped night light beams serve as a safety warning when you venture out at night. Sanag B91 Open-ear bone conduction headphones ensure you can perceive ambient sounds while enjoying music.
Open-air Bone Conduction Listening Experience
Experience music while staying aware of your surroundings with our fully open, non-intrusive headphone design. Keep your ears ventilated and healthy.
Sound Stage
Sound Leakage Reduced by 95%
SSG Acoustic Lab developed the Full-Cavity Closed 5.0 Technology in-house. This technology targets sound leakage caused by driver vibration-induced ear resonance. Enhanced by directional sound transmission, it significantly improves Sanag B91 open-ear bone conduction headphones sound leakage prevention, achieving a 95% boost.
Timbre
Bass Boost Increased by 75%
The open-ear bone conduction headphones feature a 16mm high-density gravity woofer. This enhances bone conduction sound quality by 75%, delivering richer audio and deep bass effects. As a result, the sports experience is greatly improved.
Frequency Response
Sanag Bluetooth Flash Pairing 6.0 Technology
Sanag's exclusive Bluetooth Flash Connect 6.0 technology ensures instant pairing, lightning-fast connection, and zero-buffer latency. This proprietary technology guarantees seamless device connectivity and rapid pairing, providing users with a lag-free audio experience.
Other Benefits
10-hour Long-lasting Single Charge
Sanag B91 headphones are equipped with a large, low-power battery, providing up to 10 hours of continuous use on a single charge. Even if you run two full marathons consecutively, the battery will still be going strong.
Waterproofing at IPX8 Level
Featuring a nano-coated closed-loop body, these earphones achieve IPX8-level waterproofing. With this durable design, they effortlessly withstand rain and sweat during daily use. Moreover, the bone conduction headphones excel in swimming, ensuring versatility across various athletic activities.
High Definition CVC Calls
Equipped with upgraded CVC algorithm, the bone conduction headphones with mic filter surrounding ambient noise in real-time, ensuring clear voices in the ears and delivering high-definition noise-canceling calls.
Offline Storage of Multiple Songs
With onboard memory, the Sanag B91 open-ear headphones store up to 64GB, accommodating thousands of songs. Create your offline music library without needing a phone and enjoy your curated collection on the go.
Smart Sound Tuning via Sanag App
Get the Sanag Smart App for professional EQ tuning and various preset sound effects. Dive into immersive audio and access exclusive VIP sound effects.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Easy to install
Size: 23.6 Inch, Color: White, Size: 23.6 Inch, Color: White
This product exceeded my expectations. The installation process was incredibly straightforward—even for someone with little to no experience—and the instructions were clear and easy to follow. Once installed, it feels very sturdy and secure, with no wobbling or shifting at all. You can tell it’s well-designed and made with quality materials. I also appreciated how quickly I was able to set everything up without needing any extra tools or help. Overall, it’s a reliable, user-friendly product that I would absolutely recommend to anyone looking for something dependable and easy to install. Drill is required though.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
It holds up weight
Size: 23.6 Inch, Color: White
Nice boards. I will order again
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Reviewed in the United States on April 4, 2026
★★★★★ 1
Don't buy
Size: 23.6 Inch, Color: White
The shelf is very flimsy and not sturdy at all. It feels unstable and poorly made. Definitely not worth the money, I wouldn’t recommend wasting your time or money on this product.
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Looks Great with a Couple of Modifications
Turned out nice. I would say for the price, it's great quality and took about 45 mins to assemble, but I was also taking my time and using a screw gun. I wouldn't assemble everything by hand. Maybe to get the machined screws started by hand but everything else use a screw gun or drill.
1 thing to look out for:
The light strip has a piece of it's stickers that is longer on the one end. I think that's so you can move the light strip over and then the end with the cord on it can be routed threw the top of the wooden side panel, then down on the outside of the shelf. As you can see in my video, I had to route it down on the inside of the shelf because the part that connects the power cord to the led strip landed right where 2 wood panels need to be screwed together. This might seem confusing in this review, but lay down the light strip 1st and then you might understand what I mean. The way mine turned out is still OK, but as you can see the power button control has to be mounted on the inside and you'll see it. Not a big deal for me, but that's not the way I wanted it to begin with.
Also, I hated that the cord was white. I just put a couple coats of black spray paint and it looks a lot better.
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Reviewed in the United States on September 24, 2025
★★★★★ 5
Just get it don't hesitate
Size: 8.6"D x 23.6"W x 33.8"H, Color: Black
It's really nice and bold looking
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Reviewed in the United States on April 25, 2026