Fitness band
Photo: Polar
Polar
Polar Loop
Night Black with the SoftWeave Textile band (S–L)
Screen-free band with sleep and recovery scores and no subscription
$199.99US price, checked
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Chilled plunge tub
Photo: Polar Monkeys
Polar Monkeys
Brainpod 2.0 Cold Plunge
Black, Standard size (67 in), 1.0 HP ChillX chiller
Lay-back acrylic tub that chills and heats, 32 to 107°F, delivered into your room
$10,990US price, checked
Ice tub
Redwood Outdoors
Alaskan Cold Plunge Tub
Stained, with lid and steps, no chiller (130 gallons)
130-gallon hemlock ice tub with lid and steps, sold without a chiller
$2,700US price, checked
Smart scale
Renpho
Elis 1 Smart Body Scale
Elis 1 (ES-CS20M by Renpho's part number), three AAA batteries included
Basic Bluetooth smart scale with 13 body metrics in a free app, $24.99
$24.99US price, checked
Smart ring
Photo: RingConn
RingConn
Gen 2 Air
Galaxy Silver, sizes 6 to 14 (or 'Don't know my size' with the free sizing kit), charging dock included
Subscription-free $199 smart ring with up to 10 days of battery
$199US price, checked
Smart ring
Photo: RingConn
RingConn
Gen 3
Matte Black finish, sizes 6 to 15 (or 'Don't know my size' with the free Gen 3 sizing kit), charging case included
Subscription-free sleep and recovery ring with up to 14 days of battery
$349US price, checked
Smart ring
Photo: Samsung
Samsung
Galaxy Ring
Titanium Black, sizes 5 to 15 (Titanium Silver and Titanium Gold also listed)
Titanium sleep ring with no listed subscription, for Samsung Galaxy phone owners
$399.99US price, checked
Smartwatch
Photo: Samsung
Samsung
Galaxy Watch9
40mm, Bluetooth (no LTE), Graphite
Android smartwatch with an ECG app and a sleep apnea alert Samsung says is FDA-cleared
$379.99US price, checked
Ice tub
Sharper Image
Sharper Image Ice Bath Portable Cold Plunge
Black foldable tub, sold at Target (no chiller)
Foldable one-person ice tub sold at Target under the Sharper Image name, with no chiller
$43.99US price, checked
Blood test membership
Photo: SiPhox Health
SiPhox Health
Membership
Membership with one included panel (Longevity Essentials, Thyroid Focus, Hormone Focus or Heart & Metabolic), self-collected at home with the EasyDraw upper-arm kit. Kits are billed one at a time from $124 each
At-home upper-arm blood kits from $124 each, monthly to twice a year
$124US price, checked
Mattress cooling system
Photo: Sleepme
Sleepme
Chilipad Cube
One Sleeper (single zone), Half King: Cube control unit, Cool Mesh Pad and remote
Entry-level single-zone water cooling pad with no subscription
$719US price, checked
Mattress cooling system
Photo: Sleepme
Sleepme
Dock Pro Sleep System
Chilipad 1.0 (the renamed Dock Pro), Two Sleepers, King: two temperature-controlled zones
Chilipad 1.0 (Dock Pro): two-zone water cooling and heating, on sale while stock lasts
$1,889US price, checked