Fitbit Charge 4 Specs

Available Colors	Black, Rosewood, Storm Blue/Black, Granite Reflective Woven
Battery Life	Up to 7 days; up to 5 hours with continuous GPS use
Bluetooth	Bluetooth 4.0
IP Rating	Water resistant to 50 meters (not recommended wearing in a hot tub or sauna)
Material	Tracker includes a plastic resin case and the band includes a stainless steel buckle
Operating Temperature	-4° to 140° F
Sensors	Optical heart rate monitor (accuracy is affected by physiology and location of device); GPS; NFC; Altimeter
Size	1.4in l x 0.9in w x 0.5in h
Special Features	Music control via Bluetooth LE on Android and iOS devices

Bestseller No. 1

Fitbit Charge 6 Fitness Tracker with Google apps, Heart Rate on Exercise Equipment, 6-Months Premium Membership Included, GPS, Health Tools and More, Obsidian/Black, One Size (S & L Bands Included)

$158.00

Save $10.00Bestseller No. 2

Fitbit Charge 5 Advanced Health & Fitness Tracker with Built-in GPS, Stress Management Tools, Sleep Tracking, 24/7 Heart Rate and More, Black/Graphite, One Size (S &L Bands Included)

$149.95 $139.95

Save $19.96Bestseller No. 3

Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included)

$149.95 $129.99

Save $20.00Bestseller No. 4

Fitbit Charge 5 Advanced Fitness & Health Tracker (Black) with Built-in GPS, Stress Management Tools, Bundle with 2 Watch Bands, 3.3foot Charge Cable, Wall Adapter, Screen Shield & PremGear

$169.99 $149.99

Save $19.96Bestseller No. 5

Fitbit Charge 3 Fitness Activity Tracker, Graphite/Black, One Size (S and L Bands Included)

$149.95 $129.99

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