Our smallest ever Micro Gsm Spy Bug Listening Device. You can hear this GSM spy device from anywhere, you just insert your GSM sim, dial in after a few minutes & listen in. This device will auto answer like a phone. So you can hear talking or whatever you are listening for when you call in to the sim card. Useful at home with the babysitter, teenager ect.
 
Works with standard GSM mobile frequencies 900, 1800
Built-in rechargeable 150Mah lithium battery Standby aprox 1-3 days depending on reception quality & listening time. Due to tiny size you will need to ensure that there is a satisfactory reception before putting in situ.
For longer monitoring it can be connected by USB to pc or via an optional USB charger. Dimensions 2.5 x 3 x 1.2cm