Sanag B91S Pro RunPower Open Ear Swimming Bone Conduction Headphones

$159.99 $89.99 SAVE 44%

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Type: B91S Pro(32g)

B91S Pro(32g)
B91S Pro(32g)
B91S ProMax(64g)

Color: Black


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  • 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


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



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.


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.

Open Ear of Sanag B91 Bone Conduction Headphones

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.


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.

Wearing the Sanag B91 Bone Conduction Headphones

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.

Waterproof of Sanag B91 Bone Conduction Headphones

Customer Reviews

Based on 37 reviews
Andres Flores
I never received my order

I never received my order, the tracking code shows that the order was delivered, but I never received my headphones. I am very disappointed, unfortunately this is not very responsible.

Alla Zhmudina
Very satisfied

Thank you! First we hesitated to make order from the official site but we risked.
Order was delivered very quickly to Europe! My husband likes his new headphones. They are really good for the money! Highly recommended.

Excelente producto

Buen sonido, buena capacidad de memoria, buena autonomía.

Wojciech Kowcz
Great product

I'm very satisfied with the product. Really fast delivery and quality.

I'm let down.

I am unsatisfied with the volume restriction on these, and it's not to my liking at all.

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