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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
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Description
Sanag B91S Pro RunPower Open Ear Swimming Bone Conduction HeadphonesFeatures 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
4.7 ★★★★★
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Product Reviews
★★★★★ 5
Good tasting berberine!
These are great berberine pills. They help combat hunger and food noises. Take them any time of day. The taste is pleasant as opposed to other berberine pills. Good product.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Great for energy and joints!!
very good product! I have more energy and less joint swelling!!
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Reviewed in the United States on May 27, 2026
★★★★★ 4
Increases wellness
Gentle support of boold sugar. It's a good combination of herbs that affect different body functions while boosting wellness naturally. The product is probably safe unless someone allergic to one of the ingredients. It has good health affects after 6 to 10 weeks
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Reviewed in the United States on April 12, 2026
★★★★★ 5
It is a vegan product
Great product. Value in a bottle. Does what it says it does. No side effects. Will continue using
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Works for Appetite!
I honestly expected this to be like any other product that works for everyone else, except me. Well, it actually curbs my appetite. I don't notice a flavor. I do take Raspberry Keytones on lunch as well. The problem is, I actually need to remind myself to eat. I haven't lost any weight from it, but I've only been on it a week. I'm dealing with a back injury and the meds they put me on made me gain so much weight, especially since i can't go to the gym currently. Since I started taking this, I stopped gaining weight , so that's huge for me. It's definitely worth the money, if you're having issues like me!
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Reviewed in the United States on April 29, 2026