3.5MM Anti-Radiation Earpiece Air Tube Earphone Unilateral Reel Mini Built-in MicrophoneDescription:The headset is monaural headphone. Monaural 3.5mm Headphone Air Tube In Ear Anti-radiation Earphone Stereo Headset for Wireless . Clip Device.Features:1. High quality and fine workmanship, rust-proof, durable and practical.2. Reasonable size and lightweight, portable for carrying and using.3. Air tube acoustic design, it uses the principle of acoustic air- conduction sound tube, so that the radiation away from the vulnerable brain. 4. Built-in microphone, Answer/Refuse, Music, Volume and Universal switch keys. The hidden micro-speaker is located in the centre of PTT switch. 5. Low-profile, flexible, transparent acoustic tube transmit sound in high quality the transparent tube would be hardly noticed by others around you. 6. Has a collar clip, convenient to fix headphone and microphone, ensure the quality of answering the call. Flexible, to prevent twisting, durable. 7. Compatible with all 3.5mm jack phones. Excellent for use in military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments. Specification:Condition: 100% Brand NewItem Type: EarphoneMaterial: ABSColor: WhiteLength: Approx. 1.2m / 47.2inchWeight: Approx. 24g / 0.85ozPackage list:2 x Earphone2 x Earplugs1 x Manual