Aircom A3 Stereo Headphone for Apple iPhone 6 Airtube Stereo Headset Active with HandsFree Microphone True Live Sound Listening (Yellow) - US Patent # 6453044 Universal 3.5mm Jack Acoustic Hollow Air Tube Anti-radiation Earphone Aircom A3 Earpiece with on Off Answer Switch Compatible for iPhone Samsung LG Moto Lenovo ZTE Blackberry and more (Active Yellow) AIRTUBE - A patented sound technology using an air-filled hollow tube to increase air space and sound development which produces more body and delivers a "Live" listening experience. MICRO EARBUDS - One of the smallest earbuds on the market due to the use of the airtube technology which puts the speaker in the sound chamber and not in the actual earbud. MIC/SWITCH - Built-in microphone with ON/OFF switch. GUNMETAL FINISH - Triple coated semi-gloss gunmetal finish. 100% Customer Satisfaction. Fast Same-Day Shipping by 12:00 PM PDT. 12 Months Warranty.