Electronics

Batteries ‏ : ‎ 1 Lithium Polymer batteries required. (included)
Product Dimensions ‏ : ‎ 14.96 x 0.19 x 1.17 cm; 17.69 g
Date First Available ‏ : ‎ 13 September 2022
Manufacturer ‏ : ‎ Fitbit
ASIN ‏ : ‎ B0B75RC9C3
Item model number ‏ : ‎ FB424BKBK-FRCJK
Country of Origin ‏ : ‎ Vietnam
Manufacturer ‏ : ‎ Fitbit
Item Weight ‏ : ‎ 17.7 g
Item Dimensions LxWxH ‏ : ‎ 15 x 0.2 x 1.2 Centimeters
Net Quantity ‏ : ‎ 1.00 Count
Included Components ‏ : ‎ Charging Cable, Watch Band
Generic Name ‏ : ‎ smart watch
Best Sellers Rank: #2,616 in Electronics (See Top 100 in Electronics) #76 in Smart Watches
Customer Reviews: 4.1 4.1 out of 5 stars (5,078) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

Always-on wellness tracking;Stress Management Score; Daily readiness score & sleep profile (premium only);Blood oxygen (SpO2)
Call, text & app notifications (Works when phone is nearby);Up to 10 day battery (Varies with use and other factors)
Includes 6-month Premium membership (New Premium members only. Premium included membership must be activated within 60 days of device activation. Valid payment method required. Cancel before membership ends to avoid subscription fees. T&C apply.)
Package Contents: Pack of 1 Device with 2 x Straps (Small & Large) and Charger
Connectivity Technology: Wifi; Clasp Type: Tang Buckle; Case Material Type: Resin; Human Interface Input: Touch Screenbuttons; Band Material Type: Silicone

Batteries ‏ : ‎ 1 Lithium Polymer batteries required. (included)
Product Dimensions ‏ : ‎ 24.87 x 4.04 x 1.12 cm; 37.65 g
Date First Available ‏ : ‎ 13 September 2022
Manufacturer ‏ : ‎ Fitbit(フィットビット)
ASIN ‏ : ‎ B0B75W8FH2
Item model number ‏ : ‎ FB521BKGB-FRCJK
Country of Origin ‏ : ‎ Vietnam
Manufacturer ‏ : ‎ Fitbit(フィットビット)
Item Weight ‏ : ‎ 37.6 g
Item Dimensions LxWxH ‏ : ‎ 24.9 x 4 x 1.1 Centimeters
Net Quantity ‏ : ‎ 1.00 Count
Included Components ‏ : ‎ Charging Cable, Classic Belt (Small and Large)
Generic Name ‏ : ‎ smart watch
Best Sellers Rank: #21,190 in Electronics (See Top 100 in Electronics) #443 in Smart Watches
Customer Reviews: 3.2 3.2 out of 5 stars (1,576) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

All-day body-response tracking with a newly added sensor;Sleep Profile and breakdown of time in light, deep & REM sleep to see what’s impacting your rest (Premium only)
ECG app;Blood oxygen (SpO2); Notifications for call, text and apps (Available when phone is nearby);6+ day battery life (Varies with use and other factors)
Includes 6-month Premium membership (New Premium members only. Premium included membership must be activated within 60 days of device activation. Valid payment method required. Cancel before membership ends to avoid subscription fees. T&C apply.)
Package Contents: Pack of 1 Device with 2 x Straps (Small & Large) and Charger
Connectivity Technology: Wifi; Band Material Type: Silicone; Case Material Type: Resin; Human Interface Input: Touch Screenbuttons; Clasp Type: Push Button Deployant Clasp; Item Type Name: Smart Watch