Rogbid has launched the SR15 Ultra, a new low-cost smart ring that adds a built-in display and vibration alerts to a category largely dominated by screen-free health trackers.

The company claims the titanium-alloy ring can show key information on the device itself, including time, step count, heart rate, blood oxygen, sleep data and battery status, reducing the need to constantly open a smartphone app.

It also supports vibration alerts for calls, messages, alarms and social media apps, along with gesture controls for selected smartphone functions.

Rogbid says the SR15 Ultra provides 24/7 heart-rate, blood-oxygen and sleep tracking, as well as daily activity, workout and calorie monitoring. The ring is also claimed to deliver weekly fitness reports, 5ATM water resistance and up to 30 days of standby time via a magnetic charging dock.

The launch comes as the smart ring market becomes increasingly crowded, with Rogbid pitching the SR15 Ultra against more established players such as Oura, Ultrahuman, Samsung’s Galaxy Ring, RingConn and Amazfit’s Helio Ring.

The SR15 Ultra is listed on Rogbid’s store in black, silver and gold in US sizes 8-14. Pricing is US$99.99 (about A$140), with Rogbid also promoting a limited-time 618 offer that includes a free mini fan valued at US$29.99 (about A$42), while stocks last.

The pricing could appeal to budget-conscious buyers, though Rogbid, which launched in 2023, will still need to prove its health-tracking accuracy against rivals with stronger ecosystems and brand recognition.