Micro GSM listening device does have very good usage for sneaky drops, it is as small that you basically wont feel it, if someone places it in your pocket or a purse. Very clear sound up to 10 meters
Functions:
extremely clear sound
up to 3 days in standby
1.2 hours of continuous listening
call back function
Package Included:
1x Micro GSM listening device 1x USB Cable 1x Power adapter 1x User Manual(English)