Description: The headset is monaural headphone. Monaural 3.5mm Headphone Air Tube In Ear Antiradiation Earphone Stereo Headset for Bluetooth. Clip Device. Features: 1. High quality and fine workmanship, rustproof, 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. Builtin microphone, Answer/Refuse, Music, Volume and Universal switch keys. The hidden microspeaker is located in the centre of PTT switch. 5. Lowprofile, 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, . 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: Brand New Item Type: Earphone Material: ABS Color: White Length: Approx. 1.2m / 47.2inch Weight: Approx. 24g / 0.85oz Package list: 2 x Earphone 2 x Earplugs 1 x Manual Notes: 1. The actual product color may deviate from the photo due to light. 2. There may be a slight deviation in the measurement of product.