Apple (AAPL) - Get Report is turning to a Chinese manufacturing company in order to fulfill outsized demand for its AirPods Pro headphones, according to a report in the Nikkei Asian Review. 

The publication cited supply chain sources in China who said that Apple has doubled its AirPods Pro orders to "at least" 2 million units per month from 1 million. Apple has asked Luxshare-ICT to boost production of the headphones, the report said.

Dovetailing with that is a report in 9to5Macsuggesting that Apple.com is already quoting delivery times for the product past Dec. 25, meaning they won't arrive in time for Christmas.  

A quick check of Amazon.com (AMZN) - Get Report showed that the Apple accessory was still in stock and still available for Prime two-day shipping. But there were reports of Amazon running out of inventory as recently as this week. 

Last week, Bloomberg reported that AirPods wireless earphone shipments are expected to double to 60 million units in 2019 with the growth being driven by "much higher" than expected demand for the Pro model, which retails for about $100 more than the base model at $249. 

The Pro version of the wireless headphones offer noise cancellation and water resistance. 

For the base version, Apple.com said that shipments placed Wednesday should arrive by the end of this week or the beginning of next week, according to 9to5Mac. AirPods with the charging case retail for $159, while AirPods with a wireless charging case retail for $199. 

Apple shares were rising 0.4% to $265.35 in premarket trading Wednesday. The stock has gained more than 7% over the past four weeks and is up nearly 70% year to date. 

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