Cassette Adapter USB Charge Mic

Precision-engineered cassette adapter sized at 10.5 cm × 6.2 cm × 1.8 cm and weighing under 85 g, fabricated from UV-stabilised ABS plastic to resist dashboard heat and sun fade. Delivers full-range stereo audio via fixed 3.5 mm jack with impedance-matched circuitry to prevent volume roll-off. USB-A port supplies regulated 5 V / 1 A power with dual-colour LED (blue = standby, white = active charging). Integrated microphone employs noise-suppression diaphragm geometry and is acoustically isolated from tape mechanism vibrations. Control box features recessed, rubber-dome buttons with 0.3 mm travel and audible click feedback. Cable assembly uses oxygen-free copper conductors and foil + braid shielding to prevent RF interference from vehicle electronics — tested across 12 V–14.5 V alternator ranges and ignition transients.