Smart Ultra Slim Covert GSM Audio Listening Pen With Wireless Earpiece for Meeting 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 This pen has a built-in GSM microphone, allowing you to listen to phone calls from any phone. Rechargeable battery, approximately 3 to 5 hours of operation or up to 48 hours in standby mode. The device does not require wires or other accessories to function, only the receiver device, which looks like a pen, and an electronic earpiece that goes into the ear. The pen is equipped with an optimized inductive coil, which creates strong audio power for listening that will be placed in the ear. Hidden GSM pen With Wireless Earpiece GSM frequency: 850/900/1800/1900Mhz Distance between GSM phone and earpiece: 20-50cm Voice dialing: available Talking time: 5 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
