You can monitor your heart rate 24/7 and see your Active Zone minutes when you're exercising. Fitbit Premium.
eBay
All you have to do is wear it. By watching for changes in your resting heart rate, blood oxygen, skin temperature and more, you can get to know your body and what’s best for you. Feel like you have been sitting for to long?.
eBay
Will ONLY work with the advertised Fitbit model/s. For Charging (NOT RESET). Power protection - Short circuit protection. 1x USB cable.
eBay
Ideal Accessories for Many Ocasions, Wonderful watchband scrunchies is perfect for club, party, dance or show, it's also a nice gift to your wife, girlfriend, daughter, and other friends. Nylon with Elastic Design, It's comfortable, and super fashion.
eBay
Fitbit Inspire 3 Lilac Silicon Strap Activity Tracker - (Well Worn) Condition: This smartwatch is in used condition with visible signs of wear. It is fully functional despite cosmetic wear. The screen has scratches, the casing is scuffed, and the straps show wear. It comes in a plain box with a charger and small strap only. See photos for a clearer idea of the actual condition.
eBay
Unopened Brand new in the Box Fitbit Inspire 3 - Colour Black
eBay
Built in Connector with Strap on Both Ends, which Locks onto the Dial Interface Precisely and Securely. 1 x Watch Band (Not include the Dial). Due to the difference between different monitors, the picture may not reflect the actual color of the item.
eBay
Description: Quality Magnetic Milanese Stainless Steel Watch Wristband Strap Bracelet For Fitbit Inspire 3 ONLY Unique magnet clasp design, no buckle needed, stick and lock the watch band easily Made of durable elegant 100% stainless steel, wears comfortable and fashionable. Easily adjust the size to your needs. Elegant and Durable stainless steel for a comfortable fit Size: 14.9mmx 215mm Colour: Black/Silver/Rose Pink/Rose Gold/Multi coloured Package Include：1 x Milanese Magnetic Stainless Watch Strap.
eBay