Radiation-proof Tube Earpiece Headset for Motorola Two Way Radios Anti-noise Ear Protective Device Accessory

High-concerned chemical : None Material : Plastic Category : Earphones & Headphones Max Output : /mW Number Of Drivers : / Driver Diameter : /mm Total Harmonic Distortion : /% With Microphone : Yes Is wireless : No Waterproof : No Line Length : [objectm Sensitivity : [objectdB Active Noise-Cancellation : Yes Volume Control : Yes Control Button : Yes Vocalism Principle : Balanced Armature Wireless Type : Bluetooth Communication : Wired Style : Tws in-ear headphones Certification : None,None Origin : Mainland China Brand Name : Shunmaii Resistance : [object