Clarion RCB-199

Your in-dash receiver features built-in Bluetooth, but your callers keep asking you to repeat yourself. That's because your receiver's built-in microphone may not be effective in some problem vehicles. If your car stereo has a 3.5mm mic input, just connect this noise-canceling microphone, use its visor mount to place it in a good spot, and they'll hear you loud and clear. Warranty: 1 year.