CelsusSound S800C Bone Conduction Headphones: Lightweight Bone Conduction Headphones for Outdoor Activities

Published on Dec. 13, 2023, 1:54 p.m.

Need a pair of headphones for your outdoor adventures that won’t block out the world around you? The CelsusSound S800C aims to deliver just that with its innovative bone conduction technology enclosed in a lightweight, IPX7 waterproof form factor. Let’s take a closer look at what these headphones have to offer.


  • Brand: CelsusSound
  • Model: S800C
  • Color: Orange
  • Form factor: On ear
  • Connectivity: Wireless via Bluetooth 5.3
  • Key features: Bone conduction technology, open-ear design, IPX7 waterproof, built-in microphone, 10hr battery life

 CelsusSound S800C Bone Conduction Headphones

Design - Open-Ear Comfort

The CelsusSound S800C Bone Conduction Headphones utilize an open-ear design with earhooks that rest on your cheekbones rather than plugging up your ear canal. This bone conduction method transmits stereo audio by vibrating the cheekbones and skull while still allowing ambient noise in. Weighing just 36g, the lightweight build ensures hours of comfortable wear.

 CelsusSound S800C Bone Conduction Headphones

Audio Quality - Crisp Stereo Sound

With their unique bone conduction drivers, the CelsusSound S800C Bone Conduction Headphones delivers excellent audio quality across low, mid and high frequencies for balanced stereo sound. You get impactful bass without muddiness as well as clear mids and crisp highs. Music comes through with a lively, punchy quality.

Built-in Microphone

When you need to take a call on the go, the noise canceling microphone ensures your voice transmits clearly. Bluetooth 5.3 provides a reliable wireless connection so you can chat hands-free without annoying dropouts.

Features - Built For The Outdoors

The IPX7 waterproof construction allows the CelsusSound S800C Bone Conduction Headphones to withstand wet weather and sweaty workouts. Onboard controls make it easy to manage music and calls on the go. The built-in noise canceling microphone ensures your voice comes through clearly on phone calls. With Bluetooth 5.3 connectivity, you get stable wireless pairing up to 10m away.

 CelsusSound S800C Bone Conduction Headphones

All-Day Battery Life

The integrated rechargeable battery provides up to 10 hours of continuous listening per charge. When power runs low, the headphones fully recharge in 2 hours via USB-C. With all-day power, you can rely on the CelsusSound S800C Bone Conduction Headphones for everything from morning workouts to afternoon hikes.

Easy Controls

Onboard buttons allow you to control music, volume, calls, and voice assistants without touching your phone. Operation is intuitive - just single, double, or triple tap to play/pause, skip tracks, adjust volume, and more.

Durable Yet Comfortable

The CelsusSound S800C Bone Conduction Headphones earhooks and drivers are constructed from smooth plastic that feels great during extended wear. Rubber trim along the earhooks enhances grip and comfort. With an IPX7 waterproof rating, you don’t have to worry about sweat or rain damaging these hardy headphones.

For those seeking an innovative listening experience on their adventures, the CelsusSound S800C Bone Conduction Headphones checks all the boxes with bone conduction tech enclosed in a lightweight yet durable design.

 CelsusSound S800C Bone Conduction Headphones

Use Cases

The open-ear design of the CelsusSound S800C Bone Conduction Headphones makes them ideal for outdoor activities like:

  • Running and jogging - Hear traffic and stay aware of your surroundings while listening to music motivate your workout.

  • Cycling and biking - Enjoy riding with tunes without blocking out cars, people, and city sounds.

  • Hiking and backpacking - Listen to music or podcasts on the trail while still hearing nature and fellow hikers.

Customer Feedback

Overall, customer reviews for the CelsusSound S800C Bone Conduction Headphones are quite positive, with users praising the innovative bone conduction design and sound quality. Here’s a deeper look at what customers have to say:

Sound Quality

The bone conduction audio drivers deliver excellent stereo sound according to most users. Many note powerful bass along with crisp mids and highs for an immersive listening experience. Vocals sound clear making the CelsusSound S800C Bone Conduction Headphones great for podcasts and audiobooks as well. The volume also gets loud enough for outdoor use.


Customers find the open-ear design very comfortable for long-term wear. The lightweight build combined with the soft plastic earhooks prevents any soreness or fatigue. Even during vigorous activity like running, the CelsusSound S800C Bone Conduction Headphones remains secure and comfortable.


Users mention the earhooks fit nicely around the ears to position the bone conduction modules against the cheekbones. The hooks stay in place without slipping or need for adjustment. Those with larger heads do note achieving a good fit requires slightly bending the earhooks outward.


The onboard button controls for music, volume, calls etc. work reliably according to reviews. Most mention the buttons are intuitively placed and easy to operate by feel while on the go. Pressing the multifunction button does take a bit more force than expected for some users.


Customers find pairing the headphones via Bluetooth 5.3 to be quick and hassle-free. Connection strength remains consistent up to the rated 10m range with very few dropouts experienced. Switching between audio sources is fast with no major lag.


In summary, feedback for the CelsusSound S800C Bone Conduction Headphones skews positive overall. Users praise the clever bone conduction design that delivers great audio with an open-ear experience. Comfort and fit also rank high along with easy controls and reliable wireless connectivity. Some downsides like battery life capped at 10 hours are present but expected given the price point.


  • Clever bone conduction audio delivery
  • Open-ear design keeps you aware
  • IPX7 rating for wet weather and sweat
  • Lightweight and comfortable build
  • Easy controls and reliable connectivity


  • Battery life capped at 10 hours per charge
  • Ambient noise can bleed in due to open design


With innovative bone conduction drivers enclosed in a lightweight IPX7 waterproof housing, the CelsusSound S800C Bone Conduction Headphones offer great value at an affordable price point. The open-ear design combined with quality sound makes them a budget-friendly option perfect for active lifestyles.

 CelsusSound S800C Bone Conduction Headphones


For those seeking open-ear headphones optimized for activities like running and cycling, the CelsusSound S800C Bone Conduction Headphones make an excellent choice. Their clever bone conduction audio delivery provides great sound quality while keeping you aware of your surroundings. With their lightweight yet durable design and handy controls, these headphones are ready to go the distance on all of your outdoor adventures.

 CelsusSound S800C Bone Conduction Headphones


  • Drivers: Bone conduction
  • Bluetooth version: 5.3
  • Wireless range: 10m
  • Battery life: Up to 10 hours (music), up to 10 hours (talk time)
  • Charging time: 2 hours
  • Waterproof rating: IPX7
  • Weight: 36g
  • Onboard controls: Volume, track skip, play/pause, call answer

What’s Included

The S800C bone conduction headphones include:

  • Headphones unit
  • Short USB-C charging cable
  • User manual
  • 2-year warranty

How to Use

  1. Charge the headphones fully before first use.
  2. Turn on the headphones and pair them with your phone via Bluetooth.
  3. Position the earhooks securely around your ear with the drivers resting on your cheekbones.
  4. Play audio and use the onboard buttons to control volume, tracks, etc.
  5. When done, turn off the headphones to save battery. Recharge as needed.