PingaOculto Spy Earpiece GSM Wireless Earphones Invisible Hidden Mini Headset Exam SIM Card Microphone - Secret Earphone Micro Listening Device Ear Cheating (Spy Nano V7 + Vip Pro UltraMini)

🕵【 Two invisible earpieces in one kit 】 The kit includes two types of earpiece: the Nano V7, which measures 3 mm and holds no battery, and the Vip Pro UltraMini of 1.2 x 0.68 cm. Both sit inside the ear canal and cannot be seen from outside. An extractor bar and an extractor magnet are supplied for the Nano. ⭐【 Cheating earphones for exams and presentations 】 The exam earpiece works as a cheat sheet in a written test, and the same set is used in presentations and in discreet communications. The Nano earpiece suits silent rooms such as an exam hall or a library. ⚠️ Some uses may break the rules of the centre or local law. 📱【 A nano SIM card slot inside the neckloop 】 No mobile phone takes part: the nano SIM card goes straight into the induction neckloop, and card adapters are supplied for easier fitting. It works for phone calls on GSM bands 900/1800 and LTE bands B1/B3/B5/B7/B8/B20 (2100/1800/850/2600/900/800 MHz), so the neckloop itself is the number that is rung. 🎙️【 An integrated microphone inside the neckloop 】 A small microphone is built into the induction neckloop and is placed under the collar, which is enough for short replies given by agreed signals such as a cough or a tap. Both hands stay free for the whole communication. 🔋【 3 hours of neckloop and 4 of earpiece 】 The V7 induction neckloop is recharged with the USB cable supplied and gives approximately 3 hours, depending on the volume. The Vip Pro UltraMini runs on a 337 SR416SW button cell and gives about 4 hours, with two cells in the kit. The Nano earpiece needs no charging.