International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. TOTAL PROTECTION FROM EMF RADIATION -> 100% of EMF Radiation and Bluetooth Free. EMF radiation-free technology delivers crystal clear sound via hollow airtubes rather than traditional wires. Headphone airtube technology and earbuds contain no metal conductors to reduce and virtually eliminate any EMF radiation exposure. Potentially much safer than wireless headset earbuds.