Use this ETC Inspection Report template to standardize quality checks for Bluetooth TWS earphones across production and pre-shipment. Capture PO and item numbers, product description, QC location, date, and inspector. Record visual checks including color, cable length, logo placement, alcohol rub, and retail packaging with photos of defects. Run functionality tests such as charging current, over voltage and over current protection, pairing, impedance, left and right channel, speaker and mic sensitivity, device connectivity distance, LED light, drop test, and internal construction review. Verify cartons and inner cartons for labels, weights, sizes, and packing quality. Apply AQL sampling with defined critical, major, and minor defects, then summarize results, remarks, and approvals.
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