Works w/All Apple iPhones, iPads, MAC's & Samsung Galaxy S5 vs Galaxy Note III Astra Radio Communications T28 Heavy Duty Smart Audio / Surveillance kit is Designed to Reveal the Full Potential of today's Most Popular Apple products. With the SMART PTA (Push To Activate), You Get Easy On-Cable Control of all your Apple products. Discreet, covert and extremely easy to use. This product has become is a favorite among law enforcement & military professionals as Bluetooth is NOT a secure or reliable source of communication. Crystal Clear communications even around high interferance areas. All the components of the T28 are built using the highest grade of materials availble. Talk to Siri, dictate or Listen to Music, its High-Impact Polycarbonate Microphone and Noise-Isolating Earphone Let You Hear Clearly and be clearly heard. Great For: All first responders Business executives Active sports and outdoor enthusiasts Features: Smart PTA On-Cable Control (Siri/Voice Control/Answer/Hang Up/Pause/Play) Knowles Mil-Spec Microphone Smart Transducer Low-Mass, Wide-Bandwidth Driver for Precision Response Works with all Apple products Volume Control Crystal Clear Two-Way Transmission Kevlar Re-enforced Cables Multi-Points 360 Degree Clothing Clips Hypo-allergenic Acoustic Clear Tube 40-Inch cable length