External battery and long-life GSM spy microphone, the spy accessory that blends into the decor

The best power bank for discreet and effective surveillance . This high-performance portable battery features a hidden spy microphone for real-time remote monitoring .

Its advantage is its extra-long battery life, which lasts up to 60 days in detection mode. Manufactured in our workshops in France with our expertise.

How does the GSM spy microphone work?

Equipped with a GSM spy microphone, this external battery uses a Nano SIM card (prepaid or with subscription). Call the device to listen live. An alert is sent if noise is detected. Scan the QR code to get detailed videos of our user manual .

What battery life does this portable battery offer for spy listening?

This portable power bank offers an extra-long battery life of 60 days in sound detection mode and 60 hours in continuous listening mode. Plug it into the mains for unlimited battery life.

Can this spy accessory record conversations?

No, this power bank does not record conversations. However, other products, such as the WiFi Microphone and Spy Microphone available on our website, do. Check out our range to find the model that meets your specific needs.

Is this backup battery's GSM spy microphone easy to use?

Installation is simple: insert a Nano SIM card, send a text message to activate it, and manage the device via your phone. The system is intuitive. Follow the French-language videos in our user manual. Note that the product comes with a mini screwdriver for SIM card installation.

Do you need an internet plan to access the position of this long-life GSM spy microphone?

No, an internet plan is not required to access the microphone positions via LBS . A GSM plan is sufficient. You can receive the locations via SMS. For more precise location, an internet plan is recommended (location via WIFI ).

What type of SIM card and plan are required for this power bank?

Use an unlocked SIM card (no PIN) with a prepaid plan or subscription. In France, we recommend operators like Lyca Mobile , Bouygues, Orange, and Lebara. Free and SRF are not compatible.

Is this external battery with GSM spy microphone detectable?

No, because this mini power bank works like a regular charger. The microphone is hidden inside, and no sound or light is emitted when it's in operation, ensuring complete discretion. Choose other spy microphone models on our website according to your needs.