Universal 3.5mm Jack Acoustic Hollow Air Tube Anti-Radiation Earphone Xfox Earpiece with on Off Answer Switch Compatible with iPhone Samsung LG Moto Lenovo ZTE Huawie BlackBerry and All Cellphones Specifically designed for you to keep away from phone radiation. Built-in microphone, Anser/Off, Music, Volume and Universal switch keys. The hidden micro-speaker is located in the centre of PTT switch. Low-profile, flexible, transparent acoustic tube transmit sound in high quality the transparent tube would be hardly noticed by others around you. The throat mic could be easily hidden under the collars too. Provides excellent durability, reliability and performance in low-profile environment. Ideal for demanding covert security applications where sound clarity and earpiece durability are of paramount importance. Compatible with all phones that required 3.5mm jack. Excellent for use in FBI, police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments.