Product Price Heart Rate Monitor Steps Tracker Calories Burned Counter Sleep Tracking GPS Waterproof Rating Battery Life Screen Size (inches)
Polar POLAR Loop, small-medium band
US
£147.65 WR30 Up to 8 days

Polar Loop is a screen-free, subscription-free fitness band with 24/7 heart-rate, activity, calorie, sleep, and recovery tracking. It is lightweight and designed for comfortable all-day wear, with phone-assisted GPS available through the Polar Flow app.

★ Ideal for

This model suits people with smaller wrists because the package includes a small wristband, while its lightweight screen-free design and 24/7 sleep and activity tracking support comfortable daily wear.

Xiaomi Smart Band 9 Active
US
£1106.69 5 ATM Up to 18 days 1.47 in

The Xiaomi Smart Band 9 Active is a lightweight fitness tracker with heart-rate, sleep, step, calorie, stress, and blood-oxygen monitoring. Its 1.47 in display, 5 ATM water resistance, and up to 18-day battery life make it suitable for beginners and everyday fitness tracking.

★ Ideal for

It suits people with smaller wrists because its adjustable strap fits 135-215 mm wrists, while the lightweight 16.5 g design and 1.47 in screen keep it comfortable for everyday wear and sleep tracking.

Google Fitbit Fitbit Air
US
£73.82 Up to 7 days No screen

Google Fitbit Air is a lightweight, screenless activity tracker with 24/7 heart-rate monitoring, step and calorie tracking, sleep insights, and up to one week of battery life. It suits people who want discreet, continuous health tracking without smartwatch notifications or a bulky display.

★ Ideal for

It is particularly suitable for people with smaller wrists because it is Fitbit's smallest tracker, weighs 5.2 g without the band, is 8.3 mm thick, and uses a micro-adjustable band fitting wrists from 130 to 210 mm.