CooMax Spy Earpiece Bluetooth Hidden Wireless Earphones Invisible Headset Phone Microphone Exam - Mini Secret Headphone Listening Device Hearing Cheating (Spy Vip Pro SuperMini BT Piece)

❮ Hidden Earpiece ❯ The Vip Pro SuperMini has a small size of 1.10 x 0.64 cm for maximum discretion, blending perfectly into the ear. This invisible earbuds are perfect for cheating in exams and for use in other situations requiring secret communication. ❮ Superior Sound Quality ❯ This invisible earpiece offers great sound quality and volume, thanks to its induction technology that allows the induction piece to transmit the sound to the earpiece in a clear and crisp manner. ❮ Connectivity and Compatibility ❯ The Vip Pro SuperMini induction piece features a universal Bluetooth 4.0 connection, allowing you to easily connect any mobile phone or MP3 player. Perfect for making phone calls or listening to recordings in a hidden way. ❮ Built-in Microphone ❯ The induction piece includes an integrated spy microphone, which is sufficient for communication via signals, such as knocks. ❮ Long Battery Life ❯ The Vip Pro SuperMini earpiece uses 337 / SR416SW batteries with a battery life of approximately 4 hours depending on volume. The inductive part is charged via the included USB cable, providing approximately 3 hours of battery life.