VKBAND Invisible Secret Spy Earphone Nano Wireless Earpiece for Mobile Phone
- Completely hidden and discreet communication.
- Works with any mobile phone with a 3.5mm jack or with the use of an adapter (not included).
- Invisible wireless earpiece receives signal by an inductive coil across electromagnetic fields (like a radio).
- Can be used in many situations for secret communication.. Such as speech prompts, exam prompts,etc..