Bluetooth Glasses with Spy Earpiece Set is designed for wireless connection to Smartphone and secret spy invisible earpiece. It transfers clear mono voice to invisible spy earpiece wirelessly. The Bluetooth Glasses has build-in amplifier, you can listen loudly and clearly within 20cm range. Learn More
Once insert a GSM SIM card and turn on the power, it will automatically pick-up calls from any mobile phone or telephone. ` Two way covert communication via mobile phone networks ` Optimized inductive coil creates strong power for earpiece Learn More
