Charger Disguise GSM SIM Card Spy Audio Bug

Highlights
Insert a GSM SIM card into the slot and put the audio bug at hidden place,then dial the card number to monitor your target,you will hear the sound arround the bug.(5-15m range) The spy audio bug was set in a normal charger,plug the charger into the power jack,it will get all time power supply,so you can monitor the pot anytime and need not to worry about the power.On the other hand,noboby will know it is a audio bug there.

Specification
Frequency: GSM 900/1800/1900MHz
Power Supply: AC Power
Transmission Distance: Non-limit
Card Compatible: GSM sim card
Receive Sensitivity:  ±10K
Stand-by Time: all time
Working Time: all time
Sensitive Range: 5-15m
Product Dimensions: 80x50x30mm
Working  Temperature: -40℃ to 50℃