Listening Voice Bug 4G


4G Voice Tracker

Highlight 1: Global 4G Full-Network Compatibility, Nano SIM Exclusive Support Adopts Quectel EG915U-EU universal 4G cellular chip, covering TDD-LTE & FDD-LTE all frequency bands. It works across Europe, America, Middle East, Southeast Asia and Africa. Only compatible with Nano-SIM cards (regular/Micro SIMs are invalid), with clear SIM setup rules to ensure stable call & alarm performance.

Highlight 2: Smart Sound-Activated HD Audio Alarm System Equipped with dual built-in microphones for high-definition audio capture. When ambient sound exceeds 45dB within a 4-meter radius, the device will automatically dial your pre-set emergency alarm numbers instantly, offering round-the-clock unexpected noise monitoring for kids, elderly people and valuables.

Highlight 3: Ultra-Long Endurance & Compact Portable Design Built-in 600mAh high-density polymer battery is easy to hide in bags, drawers or vehicles for discreet monitoring.

Full Product Specifications

Overall Weight 35g
Body Color Matte Black
Working Duration Standby 8 Hrs
4G Module Quectel EG915U-EU Universal 4G Cellular Chip
Supported Network All TDD-LTE & FDD-LTE global frequency bands
Battery Spec 600mAh Rechargeable Polymer Battery
Charging Interface 5P Android USB Port
Charging Indication Check LED indicator to monitor charging
Built-in Hardware Dual microphones (Dual MIC), Nano SIM card slot
Alarm Trigger Auto-dials pre-set numbers when nearby sound >45dB within 4m
Operating Temperature 20ºC - 50ºC
Supported SIM Type Only Nano-SIM (caller ID enabled, call forwarding disabled, PIN lock removed)