OpenRun USBC Cosmic Black
Bone conduction helmet -
Home delivery from 06/06/2026
60 days to change your mind
No subject to promotional offersThe
Perfect for your outdoor adventures, this lightweight, stable and comfortable helmet stays securely in place, even when you’re tackling technical terrain.
Designed using bone conductiontechnology, these headphones rest on your jawbone, unlike In-ear headphones. This leaves your ear canal free , so you can enjoy your music without blocking out the ambient sounds that are essential for your security.
What’s more, the long battery life of 8 hours means you can enjoy your favourite artist’s new album to the full whilst listening to the birds singing all around you. They charge fully in 90 minutes, and a quick 20-minute top-up will give you an extra 3 hours of listening time!
You can use them in all weathers thanks to their IP67 standard, as they are water and rain resistant.
To listen to both your music and the sounds around you whilst enjoying unrivalled comfort during your activity, choose the
| Dimensions (cm) | Less than 23.49 cm | Greater than 23.49 cm |
| Size | Size |
Regular size |
- High-quality bone conduction headphones designed for outdoor sports
- Low
- Titanium support hoop
- Multifunction button and volume button
- Hands-free design with free ears
- Double DSP noise-cancelling microphone
- Moisture detection alert
- Quick charging
- Balanced weight distribution
- Waterproof (IP67-certified) - Durability against sweat
Battery :
- Battery type:
- Load voltage: 5V ± 5%
- Charging time: 1 hour 30 minutes
- Quick charging function: 10 minutes' charging for 1½ hours' use
- Battery capacity: 160 mAh
- Operating time: up to 8 hours
- Standby battery life: up to 10 days
Connectivity:
- Smartphone compatibility: Most common models are supported
- Multipoint coupling
- Version
- Scope
- Supported audio formats: A2DP, AVRCP, HFP, HSP
Speaker:
- Impedance: 8.5 Ω ± 20%
- Frequency band: 24 Hz to 24,835 Hz
- Sensitivity: 105±3 dB
Microphone:
- Frequency range: 20 Hz–20 kHz
- Sensitivity: -38 dB ± 3 dB
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