model: GM258

Features:

-When it detects sound, the spy bug will call your cell phone
-The simplest audio monitoring solution and works world wide
-The GSM audio device is like a quadband mobile phone without a speaker
-it takes approx 8 hours to fully charge and can last up to 3-5 days on standby

Dimensions: L:52 x W:40 x H:15 (mm) 

Package Content:

1 x Quadband Two-Way Audio Monitoring Device
1 x USB Cable
1 x Power Charger (110-220V)
1 x User Manual