OB03 Lightweight Screenless Health & Fitness Band

OB03 Lightweight Screenless Health & Fitness Band

OB03 is an accessible screenless health band designed for continuous everyday wellness, sleep and activity tracking without the distraction of a display.
With a 180 mAh battery, up to 22–25 days of typical interval heart-rate use, IP68 protection and 110 sport modes, OB03 provides a practical entry point for brands looking to add a screenless wearable to their product portfolio.
Health and activity data are managed through the companion app, creating a simple, data-focused wearable experience for daily activity, workouts and overnight tracking

Key Features

22–25 Days Typical Use

IP68 Protection

110 Sport Modes

Heart Rate / HRV / SpO₂

Stress & Sleep Tracking

Bluetooth 5.1

DA HALO App

Technical Specifications

Item	Specification
Dimensions	23 × 46 × 11 mm
Housing	Plastic
Strap	20 mm nylon
Water Resistance	IP68
Chipset	GR5515
Memory	16 Mb
Optical Sensor	HX3918
Motion Sensor	ST LIS2DOCTR
Bluetooth	5.1
Battery	180 mAh
Typical Use	22–25 days
Standby	Up to 45 days
Sport Modes	110
App	DA HALO
Compatibility	Android & iOS

For Brands & Distributors

OB03 is suitable for brands looking for an accessible entry point into the screenless fitness and wellness category, combining essential tracking functions with long battery life.

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