New Beats Flex Earphones Take BeatsX to the Next Level for Just $49.99 - MacRumors
Amazon.com: Beats Flex Wireless Earbuds – Apple W1 Headphone Chip, Magnetic Earphones, Class 1 Bluetooth, 12 Hours of Listening Time, Built-in Microphone - Flame Blue : Electronics
Beats Flex review: The cost of $50 wireless earbuds | Engadget
Apple Beats Flex review: Frankenstein's creation - SoundGuys