S109 Single Ear Wearing Wireless BT Headset For Business Driving Sports HIFI Ambient Noise Cancelling Wireless Headphones

High-concerned chemical : None Material : Plastic Category : Earphones & Headphones Max Output : 0.001mW Driver Diameter : 0.00mm Total Harmonic Distortion : 1.00% Line Length : 1.00m Sensitivity : 1.00dB Active Noise-Cancellation : Yes Volume Control : Yes Control Button : Yes Vocalism Principle : Electrostatic Communication : WireLess Style : Neckband Certification : NONE Origin : Mainland China Brand Name : onscersoco Resistance : 1.00Ω suitable_for : Young people, fitness enthusiasts usage_scenarios : travel, outdoor, gym