Works in most of countries, except Korea and Japan.
GSM frequency:850/900/1800/1900 MHz
Distance between GSM phone and earpiece:20-50 cm
Voice dialing available
Talking time: 70 minutes
Build-in rechargeable battery:300mAh
Pen weight: gross weight:55 g Net weight: 25 g Earpiece Gross Weight:5.8g Net weight:0.8g
Charger output: DC 5V 1A Charger input:AC100-240v 50/60HZ
How to use
Just insert the SIM card & call the device
Power on: Press the ON/OFF key for 3 seconds till the red indicator light on. The GSM pen will enter the standby mode, no light in use. GSM pen to listen into live conversations by ringing it from any location. No one will suspect anything.
Power OFF,press the ON/OFF Key for 5 seconds till the red indicator light on. Power OFF.