Beats Flex review: Not true wireless earbuds, but a good $50 AirPods alternative - CNET
Apple Beats by Dr. Dre Beats Flex Wireless Bluetooth Earbuds - Beats Black; Up to 12 Hours of Listening Time; Built-in Noise - Micro Center
Apple Beats Flex Wireless Earbuds Earphones - Gray; Apple W1 Headphone Chip; Magnetic Earbuds; Class 1 Bluetooth; 12 Hours - Micro Center
Beats Flex review: Apple's budget Bluetooth earbuds | Apple | The Guardian
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