Garmin trademarked Muscle Battery in early 2026, and the metric needs hardware Garmin does not yet…
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Apple Watch Price Rises Skipped. September the Real Test
Apple raised prices across its lineup on 25 June and blamed the memory shortage. The Watch…
Cycling 2×20 – Did the hDrop Calibration work outside and with Garmin CIQ
Outdoors and 27°C, the hDrop sweat sensor overestimated fluid loss by 51% against body weight change.…
Deep Dive Digest #17: Garmin Enduro 4 Leaked, Connect IQ 9 & the Helio Strap Pro Question
Battery life versus emergency features, Connect IQ 9 arrives quietly, and the Helio Strap Pro costs…
Deep Dive Digest #16: Screenless Band Wars, Garmin Sued for False Claims & Apple’s AI Gamble
The screenless band hopefuls mapped, Garmin sued over accuracy claims, Amazfit buys a sport, and the…
Apple smart ring: details behind the rumour.
Apple is developing a smart ring: details behind the rumour. The source of the latest rumour…
#5 The Deep Dive Fix Files: Week Ending 26 June 2026
Issue #5 of the Deep Dive Fix Files covers twelve sports tech problems from the past…
#4 Deep Dive Feature Files: Week Ending 27 June 2026
A weekly summary of new firmware features and improvements across Garmin, Amazfit, Wahoo and Hammerhead. Bug…
Amazfit Balance 3 Swimming Accuracy: HR, Laps and FORM Smart Swim Goggles Coaching
I tested the Amazfit Balance 3 for swimming HR accuracy alongside the FORM Smart Swim 2…
Oura Ring 5: Impressive Design, Can’t Be Repaired
The Oura Ring 5 is the smallest smart ring the company has made. iFixit's teardown confirms…
Awesome Maps for Garmin: Turn Your £200+ Watch into a £600+ Watch
A Forerunner 70 at £220 gets richer mapping than a Forerunner 970 at £620. Awesome Maps…
Samsung Galaxy Watch Ultra 2: Leaked Renders and Specs
Leaked press renders show the Samsung Galaxy Watch Ultra 2 with a numbered bezel taken straight…
hDrop sweat sensor calibration: why fluid loss runs high
Three sessions, the same error direction. A controlled HYROX gym test produced a 37 percent overestimate…
Amazfit Balance 3 cycling Accuracy – how not test test – Dartmoor Classic
The Amazfit Balance 3 delivered near-chest-strap HR accuracy over 108 km in 26°C heat at the…
