Apple has reportedly acquired Wi-Gear, a small San Francisco-based company known for its wireless Bluetooth audio products for the iPod and iPhone. Citing an unnamed source, 9 to 5 Mac reports that Apple purchased the iMuffs maker for an undisclosed sum. The company’s website now states that “Wi-Gear has ceased operations and is no longer in business. We will be unable to respond to any inquiries.” According to the report, Apple…