Best products for cleaning Nikon cameras and Audio Equipment

Q: (18396)

Need direction on best products to purchase/use for Nikon cameras and audio equipment; internal cleaning (amps, integrated amps, circuit boards, connection points for all external cables, pots, switches, etc. Plus, a product that is plastic friendly.

Cell Phone Issue – losing calls with headphones!

Q: (17716)

I’ve been having issue with my cell phone. At times when I have my headphones plugged in and I’m on a call, when I hit the connector by mistake, I lose the call. Can your product fix this problem?