Key feature The system was specially worked out for those special situations when a person needs to communicate secretly. Mainly apply to the working condition because of expositing earphone and earphone body inconveniently.  Look like a normal pen, High secret, without any LED light, without any key, which other people can see if they check carefully.  Remote control key for Power on, Power OFF, make a call, answer a call, end a call, Play music, Pause/resume music playing, with voice notification when operating the pen.  The smallest size in the market.  The best sound in the market.  Built-in the biggest battery in the market....300mah, other pen: 120mah, working time is about 3 hours  Work with magnet earpiece (10cm), work with electric earpiece (over 30cm)  Works with all phones with Bluetooth wireless technology  Bluetooth 4.0, Power indicator on iPhone, and some of Android phones  High sensitive microphone Working distance  Pen to Phone or Bluetooth device: 10 meters  Pen to earpiece (which in your ear) Earpiece Magnet earpiece 3x1.5mm Electric earpiece Which needs 337 battery to work Operating range/distance 10cm Over 30cm Please check the earpiece Guide for more details, for some electric earpieces, the working range is about 50cm The pen has an internal, rechargeable battery. Do not attempt to open the pen, as you may damage it. The internal battery is not fully charged. Before using it, please charge it first. There is a LED indicator in the USB end. The light will be ON when charging. Do not use the charging cable on other device. It is specially made for the Pen. Importance Note: Charge the Pen immediately after your mission, and charge it every 3 months to keep the built-in battery in good condition. If you have not used the Pen for a long time or the battery is completely out, the charger indicator may not turn on until minutes later.
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