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2-Year Warranty

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Free US Shipping

2-Year Warranty

30-Day Returns

Secure Checkout

Free US Shipping

2-Year Warranty

30-Day Returns

Secure Checkout

Free US Shipping

2-Year Warranty

30-Day Returns

Secure Checkout

Free US Shipping

2-Year Warranty

30-Day Returns

Secure Checkout

Free US Shipping

2-Year Warranty

30-Day Returns

Secure Checkout

Free US Shipping

2-Year Warranty

30-Day Returns

Secure Checkout

Free US Shipping

2-Year Warranty

30-Day Returns

Secure Checkout

Free US Shipping

2-Year Warranty

30-Day Returns

Secure Checkout

Free US Shipping

2-Year Warranty

30-Day Returns

Secure Checkout

Swimmer wearing B33S bone conduction headphones at indoor pool

B33S

Hear Your Surroundings, Not Just Your Music

Traditional earbuds seal off your ears. The B33S uses bone conduction to deliver clear sound while keeping your ears open to the world around you — ideal for outdoor swims, runs, and group rides.

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Professional commuting in the city wearing C16S open-ear wireless earbuds

C16S

Designed To Disappear

The C16S open-ear hooks are engineered for all-day wear — lightweight, no ear tips, and comfortable enough for a full day at the office or on the move.

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B33S bone conduction underwater sound technology visualization

B33S

Swim Without Your Phone

32GB of built-in memory holds up to 8,000 songs, so you can dive in and keep listening with no phone in sight. Switch to Bluetooth mode on land to take calls with the noise-reducing mic.

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B33S — Built For The Water

  • Bone Conduction Sound

    Music through your cheekbones — your ears stay open to hear what's around you.

  • IPX8 Waterproof

    Rated for full submersion — built for the pool and open water, not just sweat.

  • 32GB Memory

    8,000 songs stored on-device. Swim laps with zero phone in sight.

  • 8-Hour Battery

    Magnetic quick charge gets you back in the water fast.

C16S — Open-Ear, Everyday

  • All-Day Comfort

    Lightweight open-ear hooks with nothing sitting inside your ear canal.

  • IP4X Water & Sweat Resistant

    Handles sweat, light rain, and dust for sports and daily wear.

  • 56-Hour Battery

    8 hours per charge, up to 56 with the charging case.

  • Bluetooth 5.4

    Fast pairing and a stable, low-latency connection.
  • B33S Bone Conduction Bluetooth Earphones Open Ear IPX8 Swimming Headphones Choice 32GB Memory Wireless Headset MP3 Earbuds
  • B33S Bone Conduction Bluetooth Earphones Open Ear IPX8 Swimming Headphones Choice 32GB Memory Wireless Headset MP3 Earbuds
  • B33S Bone Conduction Bluetooth Earphones Open Ear IPX8 Swimming Headphones Choice 32GB Memory Wireless Headset MP3 Earbuds
  • B33S Bone Conduction Bluetooth Earphones Open Ear IPX8 Swimming Headphones Choice 32GB Memory Wireless Headset MP3 Earbuds
  • B33S Bone Conduction Bluetooth Earphones Open Ear IPX8 Swimming Headphones Choice 32GB Memory Wireless Headset MP3 Earbuds
  • B33S Bone Conduction Bluetooth Earphones Open Ear IPX8 Swimming Headphones Choice 32GB Memory Wireless Headset MP3 Earbuds
  • B33S Bone Conduction Bluetooth Earphones Open Ear IPX8 Swimming Headphones Choice 32GB Memory Wireless Headset MP3 Earbuds

Sanag B33S Bone Conduction Swimming Headphones — IPX8 Waterproof, 32GB MP3

$69.99
$69.99 $105.99
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Choose Your Open-Ear Headphones

Why Choose Open-Ear?

Traditional earbuds trade awareness and comfort for sound. Our open-ear design gives you both — clear audio without sealing off your ears.

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  Standard Earbuds

Full situational awareness — hear your surroundings

No ear-canal irritation or plugged-in feeling

IPX8 waterproof — safe for swimming

32GB built-in memory — music with no phone

  • Free US Shipping

    On every order, no minimum.

  • 30-Day Returns

    Try it risk-free for a full month.

  • Secure Checkout

    Encrypted payments, every time.

  • US-Based Support

    Real answers when you need them.

See It In Action

What Our Customers Say

  • ★★★★★

    Finally, Comfortable All-Day Wear

    I run 5 days a week and these are the first headphones that don't fall out or hurt after an hour. Being able to hear traffic while I run is a huge plus.

    Sarah L.

  • ★★★★★

    Great Battery, Great Sound

    Sound quality surprised me for an open-ear design. Battery easily lasts my full work day plus an evening ride.

    Daniel M.

  • ★★★★★

    Perfect For Training Outdoors

    Sweat-proof, secure fit, and I can still hear my coach and traffic around me. Exactly what I needed for outdoor workouts.

    Emily R.

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Questions Before You Buy?