KZ Duet Quad-Core Dual Dynamic Driver Earphones

Shipping cost$3.99 per order, no matter how many items you buy. Free on orders of $50 or more.

Processing time1–4 business days. Every order is inspected and packed securely before it ships.

Delivery time5–10 business days after dispatch.

TrackingYou’ll get a tracking link by email as soon as your package ships.

No surprise fees for U.S. ordersThe price you see at checkout is all you pay.

International shippingWe ship to 40 countries, including the U.S. The same shipping rates apply everywhere, shown in your local currency at checkout.

Every order is coveredYour package is covered from dispatch to delivery, at no extra cost to you. We monitor shipments and handle delivery issues with you.

Lost in transitIf the carrier confirms your package is lost, we refund you in full.

Stuck or not deliveredMost orders arrive within 5–10 business days after dispatch. If your package stops moving or doesn’t arrive within our guarantee window, even without a carrier notice, we refund you in full. See our shipping policy for details.

Damaged or wrong itemSend us clear photos and a short video, and we’ll review it and arrange the next steps.

No carrier claimsYou never have to file a claim with the carrier yourself.

14-day return windowStart your return in our Return Portal within 14 days of delivery.

Personal reasonsChanged your mind, no longer need it, or ordered the wrong product by mistake. Items should be unused, in their original packaging with all accessories. Return shipping costs or deductions may apply.

Order issuesWrong item received, missing item, or item damaged on arrival. Just send us clear photos and a short video.

Product issuesDefective or damaged product, or an item that doesn’t match its description. Just send us clear photos and a short video.

RefundsApproved refunds go back to your original payment method within 3–10 business days after inspection.