The delayed BeatsX will be available at Apple stores in the U.S. and on the company’s website starting February 10, CNET reports. The $150 neckband-style headphones will feature Apple’s new power-efficient W1 chip already seen in AirPods, and will come in white or black. Beats has also announced gray and blue colors will be added, but there’s no official timeline for when those will appear or when international stores will be getting…