1-Armband phone case: Keeps your phone secure and sweat-proof during workouts.

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2-Wireless headphones:With wireless headphones, you won't have to worry about cords getting tangled up while you're running or working out.

3-Phone gimbal:If you like to film yourself working out, a phone gimbal can help you capture smooth, stable footage.

4-Heart rate monitor:Some phone cases come with a built-in heart rate monitor

5-Fitness tracker:A fitness tracker can track your steps, distance, calories burned, and more.

6-Phone mount for treadmill or gym equipment:This allows you to watch videos, listen to music,

7-Pulse Oximeters with Bluetooth Connectivity: Some pulse oximeters, which are medical devices that clip onto your finger to measure oxygen levels, can connect to your phone via Bluetooth.