System button on Beats headphones and earphones
The system button on Beats Studio Pro is located on the right earcup, below the “b” logo .
The system button on Beats Fit Pro, Beats Studio Buds +, Powerbeats Fit, and Powerbeats Pro 2 is located inside the charging case (near or between the earbuds).
The system button on Beats Flex is located on the left control module.
Note: There’s no system button on Beats Solo Buds. To put them into discovery mode, press and hold the button above the logo on either earbud until a tone plays three times.