Invisible Secret Spy Nano Wireless Earphone Earpiece for Mobile Phone The Smallest Covert Secret Cheat Earphone

Product description Size:Complete Set Product description This is the smallest wireless earpiece in the world.it's an electromagnetic wave inductive and receiving device designed to exactly fit the human ear canal. It composes a covert signal transfer and receiver system with an electromagnetic wave inductive module. - Mini wireless earpiece receives signal by inductive coil, by electromagnetic field. - Can’t operate with alkaline battery. - Audio bandwidth is from 300 Hz to 4 KHz. - Distortion is less than 2%. FAQ 1) How to wear the earpiece? Clean and dry your ears thoroughly right before use. Wear the loop set and connect to devices correctly, turn the cell phone volume down. Put your ear to the sky. Carefully release the earpiece, let it fall into your ear canal. 2) How to take the earpiece out? Take the earpiece out with the magnet 3) Does the earpiece itself require any power? The earpiece itself does not require power. but the loop transmitter needs two 9V batteries. Remove batteries when earpiece is not in use to avoid battery drain 4) How is the sound quality when it’s in my ear? The sound is crystal clear because the system does not product any background noise. If you hear any abnormal noises, check your mobile phone and jack connection 5) Can I listen to music with the invisible earpiece? Music requires a high fidelity earphone. It’s not suggested to use the earpiece for listening to music