Fitbit Flex Activity and Sleep Tracker Wristband FB401FLEXBK- Android iOS- Black Compatible Operating System_iOS / Android HD Voice Technology separates your

HD Voice Technology separates your voice from surrounding noise

Noise Cancelling Headphones: Enjoy the music you love without distraction thanks to active noise cancellation and two layers of passive isolation

enjoy private listening with wireless headphones

the inner lining of your Galaxy S25+ Kindsuit Case does a fine job of keeping your phone at its finest

Fitbit Flex Activity and Sleep Tracker Wristband FB401FLEXBK- Android iOS- Black Compatible Operating System_iOS / Android HD Voice Technology separates yourGenuine Fitbit name brand products, The Flex Series Activity Wristband. Model: FB401FLEXBK This model comes with an all black silicone band and display unit. Features: Compatible with Android, iOS, and Windows devices. Tracks all day activity like steps, distance, calories burned and active minutes Measure your sleep quality and wake with a silent, vibrating alarm LED lights show how your day is stacking up against your goal Fits comfortably around