---
product_id: 721945128
title: "PingaOculto Pinganillo Examinations Bluetooth Hidden Magnet Mini Invisible for Mobile Phone with Microphone Adhesive Strips - Invisible Earphones Spy Wireless Copy Examination Pins (Pinganillo Magnet"
brand: "pingaoculto"
price: "AR$5165"
currency: ARS
in_stock: false
url: https://www.desertcart.com.ar/products/721945128-pingaoculto-pinganillo-examinations-bluetooth-hidden-magnet-mini-invisible-for-mobile
store_origin: AR
region: Argentina
---

# 4-hour battery life on collar Bluetooth 4.0 wireless tech 3mm ultra-hidden magnet ring PingaOculto Pinganillo Examinations Bluetooth Hidden Magnet Mini Invisible for Mobile Phone with Microphone Adhesive Strips - Invisible Earphones Spy Wireless Copy Examination Pins (Pinganillo Magnet

**Brand:** pingaoculto
**Price:** AR$5165
**Availability:** ❌ Out of Stock

## Summary

> 🕶️ Stay invisible, stay connected — the ultimate exam hack you can’t afford to miss!

## Quick Answers

- **What is this?** PingaOculto Pinganillo Examinations Bluetooth Hidden Magnet Mini Invisible for Mobile Phone with Microphone Adhesive Strips - Invisible Earphones Spy Wireless Copy Examination Pins (Pinganillo Magnet by pingaoculto
- **How much does it cost?** AR$5165 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/721945128-pingaoculto-pinganillo-examinations-bluetooth-hidden-magnet-mini-invisible-for-mobile)

## Best For

- pingaoculto enthusiasts

## Why This Product

- Trusted pingaoculto brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Invisible Powerhouse:** At just 3mm diameter, these magnet rings vanish discreetly inside your ear canal—perfect for stealthy communication.
- • **All-Day Exam Companion:** Up to 4 hours of continuous use powered by the rechargeable collar—no need to charge the earbuds themselves.
- • **Seamless Bluetooth 4.0:** Connect effortlessly to any iPhone or Android device for crystal-clear calls and recordings without wires holding you back.
- • **Whisper-Ready Microphone:** Built-in mic in the collar enables covert, short-range communication with whisper-level clarity.
- • **Multi-Function Control Collar:** Play, pause, answer calls, adjust volume, and even trigger SOS with intuitive buttons on the inductor collar.

## Overview

The PingaOculto Pinganillo Nano is the smallest Bluetooth 4.0 wireless magnet earphone system designed for discreet communication during exams or presentations. Featuring ultra-mini 3mm hidden rings, a rechargeable collar with built-in microphone, and multi-function controls, it offers up to 4 hours of seamless, covert audio connectivity compatible with all smartphones.

## Description

The Pinganillo Magnet V4 is the smallest wireless bluetooth exam headset on the market (3mm). It offers great sound quality, staying totally hidden inside the ear canal. The invisible ring works with both recordings and phone calls by connecting the inductor collar to a mobile/mp3 via Bluetooth. This product is part of the PingaOculto range of exam rings with great experience in selling penrings. For telephone calls, it includes a microphone built into the inductor collar that allows you to communicate via whispers. It includes several multi-function buttons on the inductor collar that allow: Play/Pause/Next/Previous Answer/Hang Up Call Redial Last Number SOS Function Volume Adjustment The inductor collar has a built-in rechargeable battery. Its autonomy is 3-4 hours depending on the volume. No need to charge the ear rings because the inductor collar causes vibration in the earbud generating the sound. Learn more about how it works. 2 x Magnet V4 Pin Rings 1 x Collar Inductor Magnet V4 1 x Extractor Bar 1 x Magnet Extractor 1 x USB Charging Cable 1 x Charging Plug 1 x Instruction Manual

## Features

- 【 Bluetooth Pinganillo 】 Smallest hidden and wireless magnet rings on the market with a mini size of only 3mm in diameter. It is completely hidden in the ear and is undetectable.
- ⭐【 For Exams】 The exam ring serves as chops for exams, presentations or spy communications. The earphones spy magnet can be used in noiseless environments such as an exam or library.
- 📱【Calls and Recordings】 Works with mobile phone in phone calls or recordings by connecting via Bluetooth 4.0. Compatible with all mobile phones including iPhone and Android.
- Built-in microphone: includes a small spy microphone built into the collar that sits on the hidden neck and allows short communications such as coughing or bumping.
- Hours of battery life: approximately 4 hours depending on the volume. Includes charging cable and EU charger for the inductor collar. The Pinganillo does not require charging.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Headphones Jack | USB |
| Model Name | Pinganillo Nano |
| Connectivity Technology | Wireless |
| Wireless Communication Technology | Bluetooth 4 |
| Included Components | User Manual |
| Age Range (Description) | Adult |
| Specific Uses For Product | Exams, Presentations |
| Compatible Devices | Phones, iPhone, Android |
| Cable Feature | Tangle Free |
| Item Weight | 0.1 Kilograms |
| Water Resistance Level | Water Resistant |
| Control Method | Remote |
| Number of Items | 4 |
| Earpiece Shape | Rounded |
| UPC | 706212918309 |
| Manufacturer | PingaOculto |
| Model | UTP-CT-NANO |
| Package Dimensions | 16.4 x 12.1 x 2.4 cm; 100 g |
| Item model number | UTP-CT-NANO |
| Special Features | Microphone Included |
| Microphone format | Built-In |
| Batteries Included | No |
| Batteries Required | No |
| Cable feature | Tangle Free |
| Manufacturer | PingaOculto |
| Item Weight | 100 g |

## Product Details

- **Brand:** PingaOculto
- **Colour:** Black/White
- **Ear Placement:** In Ear
- **Form Factor:** In Ear
- **Noise Control:** Active Noise Cancellation (ANC)

## Images

![PingaOculto Pinganillo Examinations Bluetooth Hidden Magnet Mini Invisible for Mobile Phone with Microphone Adhesive Strips - Invisible Earphones Spy Wireless Copy Examination Pins (Pinganillo Magnet - Image 1](https://m.media-amazon.com/images/I/71yl-x0aygL.jpg)
![PingaOculto Pinganillo Examinations Bluetooth Hidden Magnet Mini Invisible for Mobile Phone with Microphone Adhesive Strips - Invisible Earphones Spy Wireless Copy Examination Pins (Pinganillo Magnet - Image 2](https://m.media-amazon.com/images/I/71oNJf1L-YL.jpg)
![PingaOculto Pinganillo Examinations Bluetooth Hidden Magnet Mini Invisible for Mobile Phone with Microphone Adhesive Strips - Invisible Earphones Spy Wireless Copy Examination Pins (Pinganillo Magnet - Image 3](https://m.media-amazon.com/images/I/71e56tiLaLL.jpg)
![PingaOculto Pinganillo Examinations Bluetooth Hidden Magnet Mini Invisible for Mobile Phone with Microphone Adhesive Strips - Invisible Earphones Spy Wireless Copy Examination Pins (Pinganillo Magnet - Image 4](https://m.media-amazon.com/images/I/71qmLAyng1L.jpg)
![PingaOculto Pinganillo Examinations Bluetooth Hidden Magnet Mini Invisible for Mobile Phone with Microphone Adhesive Strips - Invisible Earphones Spy Wireless Copy Examination Pins (Pinganillo Magnet - Image 5](https://m.media-amazon.com/images/I/81Qh-L0FIIL.jpg)

## Frequently Bought Together

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-04*