Beats Flex Wireless Earbuds - Apple W1 Headphone Chip, Magnetic Earphones, Class 1 Bluetooth, 12 Hours of Listening Time, Built-in Microphone - Beats Black
Beats Flex replaces BeatsX for $49 with USB-C charging, longer battery life, Apple W1 chip - 9to5Mac
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Beats Flex Review - MacRumors
Beats Flex Wireless In-Ear Earphone, Smoke Gray
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Beats Flex review: wireless earphones great for iPhone users | TechRadar
Beats Flex review: wireless earbud basics done right - The Verge
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