CooMax Spy Earpiece Hidden Wireless Earphones Invisible Headset Phone Microphone for Exam Mini Secret Headphone Listening Device Hearing in Ear Cheating Earbuds (Spy Vip Pro Mini)

❮ Hidden Earpiece ❯ The Vip Pro Mini has a small size of 1.14 x 0.7 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 collar to transmit sound to the earpiece in a clear and crisp manner. ❮ Connectivity and Compatibility ❯ The Vip Pro Mini induction necklace features a 3.5mm jack plug that allows 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 collar includes a built-in spy microphone sufficient for communication via signals, such as knocks. ❮ Long Battery Life ❯ The Vip Pro Mini Earmuff uses 337 / SR416SW batteries with a battery life of approximately 4 hours depending on the volume. The neckloop does not need to be charged.