---
product_id: 625099265
title: "PingaOculto Spy Earpiece for Exams Invisible Nano Hidden Mini Wireless Earphones in-Ear with Microphone - Secret Micro Discreet Listening Device to Copy on Phone Call (Spy Earpiece Nano Pro)"
brand: "pingaoculto"
price: "2298640₫"
currency: VND
in_stock: true
reviews_count: 7
category: "Pinga Oculto"
url: https://www.desertcart.vn/products/625099265-pingaoculto-spy-earpiece-for-exams-invisible-nano-hidden-mini-wireless
store_origin: VN
region: Vietnam
---

# 3.5mm jack phone compatibility 4 hours battery autonomy 3mm nano invisible size PingaOculto Spy Earpiece for Exams Invisible Nano Hidden Mini Wireless Earphones in-Ear with Microphone - Secret Micro Discreet Listening Device to Copy on Phone Call (Spy Earpiece Nano Pro)

**Brand:** pingaoculto
**Price:** 2298640₫
**Availability:** ✅ In Stock

## Summary

> 🕶️ Stay invisible, stay ahead – the ultimate covert edge!

## Quick Answers

- **What is this?** PingaOculto Spy Earpiece for Exams Invisible Nano Hidden Mini Wireless Earphones in-Ear with Microphone - Secret Micro Discreet Listening Device to Copy on Phone Call (Spy Earpiece Nano Pro) by pingaoculto
- **How much does it cost?** 2298640₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/625099265-pingaoculto-spy-earpiece-for-exams-invisible-nano-hidden-mini-wireless)

## 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

- • **Stealth Mode Activated:** Ultra-mini 3mm earpiece fits invisibly inside your ear for zero detection.
- • **Long-Lasting Power Play:** Up to 4 hours of uninterrupted use with easy ON/OFF and protective battery cover.
- • **Seamless Phone Integration:** Works flawlessly with all smartphones via 3.5mm jack for discreet calls and recordings.
- • **Designed for the Discerning:** Perfect for exams, presentations, or any situation demanding absolute discretion.
- • **Whisper-Quiet Communication:** Built-in hidden microphone lets you communicate covertly without raising suspicion.

## Overview

The PingaOculto Spy Earpiece Nano Pro is a cutting-edge, ultra-small 3mm wireless earpiece designed for invisible, discreet communication. Compatible with all smartphones via a 3.5mm jack, it features a hidden microphone for whisper communication and offers up to 4 hours of battery life without charging. Ideal for exams, presentations, or covert operations, this minimalist device ensures you stay connected without detection.

## Description

PingaOculto Spy Earpiece for Exams Invisible Nano Hidden Mini Wireless Earphones in-Ear with Microphone - Secret Micro Discreet Listening Device to Copy on Phone Call (Spy Earpiece Nano Pro): desertcart.co.uk: Electronics & Photo

Review: Battery box doesn’t work nothing works with battery’s in - Didn’t work took ages to arrive .
Review: Ugly device, complicated to operate - The earbud is nice but the rest of the equipment is so awfully ancient, looks like devices created for KGB spies from the 50's. Is not cheap

## Features

- 🕵【 Invisible Earpiece 】The smallest wireless, hidden magnet earpieces on the market with a mini size of only 3 mm in diameter. Completely hidden in the ear and undetectable.
- ⭐【 For Exams 】The exam earpiece serves as an exam cheat sheet for presentations or spy communications. The magnet spy earphones can be used in noiseless environments such as an exam room or library.
- 📱【 Calls and Recordings 】Works with mobile phone for phone calls or recordings by connecting via 3.5 mm jack plug. Compatible with all mobile phones including iPhone and Android.
- 🎙️【 Integrated Microphone 】It includes a small spy microphone built into the cable that is placed hidden around the neck and allows you to communicate in whispers.
- 🔋【 Hours of Autonomy 】Approximately 4 hours of battery life depending on volume. Includes ON/OFF function and protective battery cover. The Invisible Magnet Earpiece does not require charging. *The induction collar requires 1 x 9V battery (not included).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D22Z38FR |
| Age range (description) | Adult |
| Best Sellers Rank | 1,908 in In-Ear Headphones |
| Cable feature | Tangle Free |
| Charging time | 4 Hours |
| Compatible devices | Bluetooth-enabled devices such as cellphones, laptops, and gaming consoles |
| Control method | Touch |
| Control type | Volume Control |
| Guaranteed software updates until | unknown |
| Included components | User Manual |
| Item model number | UMD-ST-NANO-2 |
| Manufacturer | PingaOculto |
| Material | Plastic |
| Number of items | 1 |
| Package Dimensions | 9.7 x 9.1 x 3.5 cm; 70 g |
| Package type | FFP |
| Recommended uses for product | Exams, Presentations, Espionage |
| Specific uses for product | Exams, Presentations, Espionage |
| Style | Minimalist |
| Water resistance level | Not Water Resistant |

## Product Details

- **Brand:** PingaOculto
- **Colour:** Black
- **Connectivity technology:** Wireless
- **Ear placement:** In Ear
- **Form factor:** In Ear
- **Headphone jack:** 3.5 mm Jack
- **Impedance:** 100 Ohms
- **Model name:** Nano Pro
- **Noise control:** None
- **Wireless communication technology:** Electromagnetic Induction

## Images

![PingaOculto Spy Earpiece for Exams Invisible Nano Hidden Mini Wireless Earphones in-Ear with Microphone - Secret Micro Discreet Listening Device to Copy on Phone Call (Spy Earpiece Nano Pro) - Image 1](https://m.media-amazon.com/images/I/61KITXHJc1L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐ Battery box doesn’t work nothing works with battery’s in
*by N***R on 4 September 2025*

Didn’t work took ages to arrive .

### ⭐⭐ Ugly device, complicated to operate
*by S***. on 29 March 2025*

The earbud is nice but the rest of the equipment is so awfully ancient, looks like devices created for KGB spies from the 50's. Is not cheap

### ⭐⭐ Review
*by J***N on 4 December 2025*

Extremt svårt att få minihörsnäckan på plats. Ringen runt halsen behövde jag lyfta och ha mot örat för att den skulle funka hjälpligt. Funkade inte för mig iaf. Klen support.

## Frequently Bought Together

- PingaOculto Spy Earpiece Wireless Earphones Invisible Hidden Mini Headset Exam Phone Wired Microphone - Secret Earphone Micro Listening Device Hearing in Ear Cheating (Spy Earpiece Nano + Microphone)
- PingaOculto Spy Earpiece Wireless Earphones Invisible - Silver Oxide Button Cell Batteries with Battery Voltage 1,55 V 8 mAh (4 Battery Units 337 - SR416SW for Spy Earpiece Vip Pro Mini or SuperMini)
- renata Swiss Watch Battery 3 x 337 or SR416SW Made of Silver Oxide 1.5 V (SR43SW)

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**Shop now:** [https://www.desertcart.vn/products/625099265-pingaoculto-spy-earpiece-for-exams-invisible-nano-hidden-mini-wireless](https://www.desertcart.vn/products/625099265-pingaoculto-spy-earpiece-for-exams-invisible-nano-hidden-mini-wireless)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-02*