Shenzhen Kube Digital Co., Ltd.  

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Features:

- Water & Sweat resistant - Perfect for running & outdoor use.
- Comfort fit ear hanger designed - or strenuous activity.
- Vibrant Colour.
- Neodymium Magnet.

Technical information
Impedence: 16ohms
Sensitivity: 103dB
Max inputpower: 50mW
Frequency response: 14Hz-24kHz