US
Spade

Spade Health Smartwatch 4 Fitness Tracker

  • 10 day battery life, 500 milliamp hour cell
  • GPS via smartphone
  • Optical heart rate sensor
  • 1 meter water depth, though sold as waterproof
  • Stainless steel band, resin case
  • 16 GB storage
  • Rose gold case, pink band

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A rose gold smartwatch with a stainless steel band, sleep and heart rate tracking, and a battery rated in days. Its water rating is shallow and the cellular entries look unusual, so confirm those before buying.

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ASIN: B0DFMM9JNFModel: Health Smartwatch 4Category: Fitness Trackers

Overview

An optical heart rate sensor and an LCD touchscreen drive the Spade Health Smartwatch 4, a rose gold watch with a resin case and a stainless steel band. Location comes from a paired phone.

A metal band and a rose gold finish give it a dressier look than a sport strap, and the storage figure is generous on paper. The limitation is questionable data: a waterproof label with a shallow depth, and cellular entries with no plan details.

Who it's for

Office wear, walks and light workouts are the setting, with a phone supplying GPS and apps. Anyone who needs swimming, diving or a working cell connection should confirm those claims with the seller first.

Pros and cons

Pros
  • Stainless steel band
  • Rose gold finish
  • Optical heart rate sensor
  • Battery rated in days
Cons
  • Water depth rating is shallow
  • Cellular entries look unusual
  • GPS needs the phone
  • Controller type entry says iOS

Performance notes

Heart rate readings come from an optical sensor and depend on a snug fit against the skin. GPS distance depends on the phone staying connected. Cellular use, if present, would drain the cell faster than the stated battery life.

Where it stands among fitness trackers

  • 500 mAh battery capacity: longer than 93% of the fitness trackers we list.

From the specs of the 43 fitness trackers we list; not a test result.

Specifications

BrandSpade
ModelHealth Smartwatch 4
Dimensions & fit
Water Resistance Depth1 meter
Screen size1.85 inches
Band Length15.24 centimeters
Band Width1.78 centimeters
Sim Card SizeeSIM
Capacity & performance
Battery Capacity500 milliamp hourshigher than 93% of 28 fitness trackers
Memory Storage Capacity16 GBhigher than 92% of 26 fitness trackers
Power & efficiency
Battery Average Life10 days
Battery Cell TypeLithium Ion
Construction & materials
Band Material TypeStainless Steel
Case Material TypeResin
ColorRose Gold
Band Colorpink
Compatibility & installation
Compatible Phone ModelsCompatible with iOS and Android smartphones
Connectivity TechnologyBluetooth
Human Interface InputTouchscreen
Warranty & support
Supported ApplicationMultisport Tracker, Phone, Reminders
Warranty TypeManufacturer
Other details
Gps Geotagging FunctionalityGPS Via Smartphone
Water Resistance LevelWaterproof
Display TypeLCD
Resolution390 x 390
Builtin MediaCharging Cable
Metrics MeasuredOptical Heart Rate Sensor
Cellular Technology5G
Clasp TypeBuckle
Communication Featuretrue
Item Type NameSmartwatches
ShapeRectangular with rounded edges
Sport TypeBadminton, Cycling, Diving, Hiking, Swimming
Style NameModern
Target AudienceMen, Unisex Adults, Women
Waterproof RatingIP68
Wearable Computer TypeSmart Watch
Wireless ProviderUnlocked for All Carriers

Closest rivals on specs

BIGGERFIVE BW02 Kids Smart Watch
  • Battery Capacity 500 vs 300 mAh (+67%)
Garmin Venu 4 GPS Smartwatch 41mm
  • Memory Storage Capacity 16 vs 8 GB (+100%)
  • Battery Capacity 500 vs 215 mAh (+133%)
  • Screen Size 1.9 vs 1.2 inches (+58%)
Zeacool Fitness Tracker Smart Watch IP68
  • Water Resistance Depth 3.3 vs 4.9 feet (-33%)
  • Battery Capacity 500 vs 180 mAh (+178%)
  • Battery Average Life 10 vs 12 days (-17%)
Compare all side by side

Frequently asked questions

How big is the Spade Health Smartwatch 4 screen and band?

The LCD is 1.85 inches at 390 x 390. The band is 1.78 centimeters wide and 15.24 centimeters long.

Does the Spade Health Smartwatch 4 have cellular service?

The listing says cellular technology 5G, SIM size eSIM and unlocked for all carriers, but gives no plan or setup details. Treat the cellular claim as unconfirmed.

Is the Spade Health Smartwatch 4 waterproof?

It is labeled waterproof, but the water depth entry is only 1 meter, so avoid swimming until the seller confirms.

Which phones work with the Spade Health Smartwatch 4?

The listing says compatible with iOS and Android smartphones over Bluetooth.