Cellular Pen detects incoming calls

At times, I feel that cellphones have gotten too small for their own good that even a vibrating function doesn’t work that well in alerting you. This Cellular Pen ensures that you never miss a call ever again despite having your handset on silent mode, as it comes with a LED that lights up and flashes crazily whenever it detects an incoming call. Of course, since it costs $5, there isn’t any way for the pen to detect incoming calls from your phone only, so you could end up looking like a fool ‘answering’ your phone when it is actually the person next to you receiving an actual call. Alternatively, you can always use the Cellular Pen to great effect when putting down your John Hancock.

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