the kenko strap.
the same sensing, on your wrist. 10.4 grams and 8.7 millimetres thin, so light you will forget which wrist it is on.
- 10.4 g on your wrist
- 7-10 day battery
- swim-proof to 5atm
10.4 gyou will not feel it
7-10 dayson one charge
5atmshower, swim, sleep
same brain, different wrist
everything the ring reads, the strap reads too.
hormones modelled daily, all five sleep stages classified nightly, and the same app explaining every figure in plain sentences. choosing the strap changes where you wear kenko, nothing else.
the hardware
light enough to forget.
awake all night.
optical sensing suitefive leds and four photodiodes read heart rate, hrv and blood oxygen through the night
on-wrist processinga low-power chip with a 6-axis motion sensor, so a week away from your phone still lands
5atm water resistanceshower, swim and sleep in it. taking it off is the only thing it is bad at
7-10 day batterya single charge covers your week, and standby stretches to a month
one size, trulythe elastic strap fits wrists from 149 to 208 mm, soft, breathable and easy on and off
an indicator light, not a screennothing glows at you at night. the reading lives in the app, where it can be explained
sport, tracked on its ownwalks, runs, rides and swims count themselves. no start button, nothing to remember
black or greytwo fabrics, both quiet enough to disappear under a sleeve