The GSM pen could be used as a pen in the meeting. hotel, classroom. public speech places. commercial, entertainment places and so on.
It works as a normal pen with writing function.
GSM frequency: 850/900/1800/1900Mhz
Distance between GSM phone and earpiece: 20-50cm
Voice dialing: available
Talking time: 2 hours
Standby time: 3 days
Build-in rechargeable battery: 300mAh
Pen dimension:152mm x 14 mm
Pen weight: G.W 55g,N.W 25g;
Earpiece: G.W 5.8g,N.W0.8G
Charger output: Output DC5.0V 1A;
Charger input: Input AC100-240V 50/60HZ