# Build on Sentien Audio — Sentien

Sentien controls every layer of its bone conduction headset: the design, the assembly line and the firmware.

## Build with Sentien Audio.

Cutting-edge bone conduction. Hardware to firmware.

[Request more information](https://getsentien.com/developers#request)

## End-to-end control.

Years of R&D. Hundreds of prototypes and head scans.

- **Hardware**: Industrial design and a custom bone conduction driver. The only size-adjustable bone conduction headset.
- **Manufacturing**: Our own assembly line, built when suppliers couldn’t make what we needed. It can be moved. Automated quality checks.
- **Firmware**: Tap and swipe gestures, an audio virtual menu, AI assistant integration, SDK and API access.

## Specs in numbers.

Full sheet: https://getsentien.com/developers/specs

| Spec | Value |
|---|---|
| Weight | 30 g |
| Battery life | 24+ hours normal use |
| Charge time | 50 minutes |
| Charging port | USB-C |
| Frame material | Nickel-titanium superelastic alloy |
| Fit | Custom adjustable system |
| Connection | Dual device, OS-independent |
| IP rating | IPX4 |
| Driver | Custom bone conduction |
| Max volume | 108 dB |
| Microphones | 2× noise-cancelling MEMS, 64.5 dB SNR |
| Touchpads | One on each side |
| Gestures | 10 in total: tap, swipe up/down, forward/backward |
| Audio virtual menu | Yes |
| SDK | Available |
| Firmware updates | Over-the-air |
| Made in | EU |

## Request more information

The form at https://getsentien.com/developers#request asks for your work email. Your name, company and message are optional.

Writing from an agent? POST to /api/partners/contact. The fields are in /llms.txt.