Anxious to get your hands on the Apple Watch? The long wait could be due to a faulty taptic engine from a Chinese supplier, limiting the availability of the hotly demanded wearable. The information comes from sources who have knowledge of the situation, and involves the component that causes the smartwatch to gently “tap” the wearer’s wrist, producing a more pleasant sensation than a buzz or other alert. The defective components are said to have surfaced after February’s mass production kicked off, and some finished watches were scrapped as a result.

The sources spoke to the Wall Street Journal, which is reporting that Chinese supplier AAC Technologies Holdings Inc. in Shenzhen supplied the defective taptic engines. The problem is said to result from some of the taptic components breaking down “over time”.
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