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Trusted by 300,000+ Athletes.

Flowglasses 03 are here. Discover Day Sync and Night Sync.

Flowglasses 03 are here. Discover Day Sync and Night Sync.

CONTRAST THERAPY DEVICE

Flowcontrast Spot Go

Portable contrast therapy device with deep cold and powerful heat, worn directly on the body.

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Stimulates local circulation through alternating cold and heat cycles

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Relieves tension headaches and migraine discomfort

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Restores circulation in chronically stiff knees, shoulders, and lower back

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In stock

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2-6 days delivery time

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100-Day Money-Back Guarantee

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2 years warranty

Descriptionadd

INTRO

Flowcontrast Spot Go is a portable contrast therapy device that delivers alternating cold and heat directly to muscles and joints. No water. No ice. No cords. Just strap it on and start the session.

TECHNOLOGY

The device uses semiconductor thermal regulation to shift between cold and heat through electronic control rather than fluid or refrigeration. In contrast mode, the cycle runs automatically: 4 minutes cold followed by 7 minutes heat, repeating over a 26-minute session. Cold output reaches 5°C and heat reaches 45°C, with three intensity levels for both functions. Sessions end with automatic shut-off.

BODY EFFECT

Cold phases constrict blood vessels and suppress acute inflammation. Heat phases trigger vasodilation and accelerate blood flow to the target site. Together, they create a rhythmic vascular pump that drives metabolite clearance, increases oxygen and nutrient delivery to damaged tissue, and activates the repair process. Heat mode improves soft tissue pliability and reduces chronic joint stiffness. Cold mode reduces swelling and limits inflammatory response in the hours following intense activity.

CUSTOMIZATION

Three modes allow precise application: Contrast Mode for full recovery cycles, Manual Cold for inflammation and acute injury, and Manual Heat for stiffness, pre-movement preparation, and nervous system calming. Three intensity levels control cold and heat independently. Three Velcro band sizes secure the device to any target area — knees, shoulders, neck, calves, or lower back.

DESIGN

Flowcontrast Spot Go weighs 384 grams. The aluminum contact plate ensures direct thermal transfer. A 3200 mAh battery supports up to 5.5 hours on heat-only use. Charges via USB-C in approximately 2.5 hours.

Technical informationadd

ELECTRICAL SPECIFICATION

  • Input: USB-C, DC 5V = 2A
  • Output: DC 5V = 2A
  • Battery Capacity: 3200mAh, 7.2V
  • Charging Time: approx. 2.5 hours

BATTERY RUNTIME (APPROXIMATE)

Cooling (Level 3)

  • Runtime: ~1 hour

Heating (Level 3)

  • Runtime: 3–5.5 hours

Contrast Mode — Cooling + Heating (Level 3)

  • Runtime: ~1 hour

TEMPERATURE RANGE

Cold

  • Level 1: 15°C
  • Level 2: 10°C
  • Level 3: 5°C

Heat

  • Level 1: 38°C
  • Level 2: 42°C
  • Level 3: 45°C

PERFORMANCE

  • Contrast Mode Timer: 26 min (4 min cold / 7 min heat × 2 cycles)
  • Cold Mode Timer: 10 min
  • Heat Mode Timer: 10 min
  • Max Use per Area: 30 min
  • Auto Shut-Off: Yes

BATTERY INDICATOR

  • Red: 0–33%
  • Green: 34–66%
  • White: 67–100%
  • LED turns off 3 seconds after full charge

DIMENSIONS & WEIGHT

  • Product Size: 150 × 80 × 50 mm
  • Product Weight: 384 g

MATERIAL & CONSTRUCTION

  • Contact Plate: Aluminum Housing: ABS

VELCRO STRAP SIZES

  • Small: 45 × 3 cm — wrists, ankles, arms, elbows
  • Medium: 75 × 3 cm — thighs, calves, knees
  • Large: 110 × 3 cm — upper back, lower back, shoulders
What's in the box?add

1x Flowcontrast Spot Go
1x Frame Strap
1x USB-C Charging Cable
3x Velcro Band (S/M/L)
1x User Manual
1x Brochure (English) - Download here

BUILT WITHOUT COMPROMISE

Traditional contrast therapy requires two separate setups: a cold tub and a heat source. Getting the temperature right takes time. Moving between them interrupts the protocol. Achieving the same stimulus on a specific joint — a knee, a shoulder, the base of the neck — is difficult to do consistently. Most people skip it because the barrier is too high.

Flowcontrast Spot Go eliminates that barrier entirely. A semiconductor contact plate built into the device delivers both cold and heat electronically, shifting between phases without any external source. There is no water to prepare, no ice to source, and no cooling-down period between cycles. The thermal output starts from the moment the session begins.

At Level 3, cold drops to 5°C and heat rises to 45°C. These are not approximations — they are set temperatures, held consistently throughout the session by the onboard thermal system. Three intensity levels allow precise calibration for each application. The Velcro band system locks the device flush against any target site, from the knee to the neck to the lower back, without restricting circulation or requiring the person to hold it in place. The entire setup takes less than a minute.

THE VASCULAR RESPONSE

When muscle tissue is overloaded, inflamed, or chronically tight, local blood flow is the limiting factor in recovery. Metabolic waste accumulates faster than it clears. Repair signals reach the site, but nutrient delivery is insufficient. The result is soreness that persists, stiffness that returns each morning, and joints that feel older than they are.

Contrast therapy directly addresses this through the vascular pump effect. Cold applied to tissue triggers vasoconstriction — blood vessels narrow, inflammation is suppressed, and swelling is reduced. When heat follows, vessels dilate sharply, blood rushes back to the site, and metabolite clearance accelerates. The alternating cycle creates a pumping action that passive rest never achieves.

Flowcontrast Spot Go runs this cycle in a clinically structured protocol: 4 minutes cold, 7 minutes heat, repeating over 26 minutes. At Level 3, cold at 5°C reduces acute inflammation and limits post-exercise swelling. Heat at 45°C improves soft tissue pliability and activates the parasympathetic nervous system, reducing baseline tension in the treated area. The same mechanism is what makes the device effective for tension headaches and migraine discomfort when placed on the neck, temples, or forehead: cold interrupts the vascular pattern that sustains the pain, while heat on the neck releases the muscle tension that triggers it.

RECOVERY AS A DAILY INPUT


A single session of contrast therapy moves fluid, reduces inflammation, and restores short-term mobility. That is real and valuable. But it is not the full picture. The body adapts to repeated stimulus. What feels like relief after one session becomes baseline function after thirty.

Athletes who use contrast therapy consistently report fewer days of residual soreness, reduced joint stiffness between sessions, and a faster return to full output after high-load training. These are not coincidences. Repeated cycles of vasoconstriction and vasodilation train the local vasculature to respond more efficiently. Circulation in overloaded joints — the knees that ache after long runs, the shoulders that stiffen after heavy pressing — improves with consistent thermal stimulus. The tissue becomes better at clearing waste and delivering repair resources.

Flowcontrast Spot Go is built around this reality. At 384 grams, wireless, with a 26-minute automatic protocol and no setup requirement, there is no reason to skip a session. Before training, heat at Level 2 primes the tissue. After training, contrast mode clears the recovery signal. On rest days, heat-only at Level 1 supports nervous system calming and joint mobility without loading the body further. The cumulative effect across weeks of use is a body that recovers faster, tolerates more, and holds up longer — not because of a single recovery session, but because recovery became a daily input.

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