Best-Selling Professional GSM Spy Listening Device with Auto-Callback 

This exclusive professional GSM listening device with sound recording is trusted by domestic and security professionals worldwide. Our genuine, upgraded version now includes a powerful microphone, extended battery life, and a built-in magnet for discreet placement.

Just insert a GSM SIM card, position the device, and send a simple text message. You can then call the device anytime to listen in — or set it to auto-call you when sound or speech is detected. It’s that easy.

Sourced from the genuine manufacturer, this model outperforms many cheap copies on the market. With enhanced microphone sensitivity and reliable connectivity, it ensures high-quality sound monitoring with simple, flexible operation.

At a Glance

• Upgraded aerial for better GSM reception (works where others fail)
• Control via simple SMS commands from your mobile phone
• Supports sound-triggered auto-callback to your mobile

Key Features:

• Compact 4cm design with dual microphones
• Auto-callback on sound detection
• Extended battery life (up to 3 hours continuous use)
• No external lights or sounds for full stealth

Professional Features:

• Enhanced aerial for stronger signal and improved reception
• Dual microphone system for crystal-clear audio
• Built-in background noise reduction
• Control the device using text commands (SMS)
• Fully compatible with most global GSM networks

• 40 x 30 x 10 mm

Setup Requirements:

• Compatible GSM SIM card (recommended: EE, Vodafone, Virgin, Lebara for UK)
• Not compatible with O2 or Three (3) SIM cards

What’s Included:

• GSM listening device
• Micro USB charging cable
• Basic instruction manual

Device dimensions: 41 x 23 x 14.5 mm

Warning: This product is intended for lawful and ethical use only. Recording individuals without their consent may be illegal in your jurisdiction. Please check local laws before use.