Explore the Optune Lua system

Designed for your everyday life

Optune Lua is wearable and portable, so continuous treatment with TTFields can be received almost anywhere.

Device & battery carrying bag, device (electric field generator) & battery, transducer arrays See how Optune Lua can fit into your daily life

The Optune Lua system also includes:

  • Portable batteries
    • 4 batteries are provided with each kit; each battery can last up to 2 hours
  • Charger for portable batteries
    • Batteries will need to be recharged. The batteries can be charged and used many times over the course of treatment
Learn more about transducer arrays

You can decide which times of the day are best to use Optune Lua, even at night while you sleep

  • The device can be set on the nightstand next to you while you sleep
  • For sleeping, or other times when you plan to stay in the same place for a while, plug the device into a standard wall outlet
  • The device can be carried when you are using a battery


  • You should turn on Optune Lua at least 75% of the time (18 hours per day)
  • Be sure to keep the arrays on your upper body, even during times when you turn Optune Lua off. Arrays should be replaced at least twice per week (every 4 days at most)
  • Do NOT stop treatment completely unless you have been instructed to do so by your doctor

Be sure to carry extra batteries when you are running errands or traveling.

You can decide what time of day is best for you to use Optune Lua™.

See how using Optune Lua can fit into your daily routine.
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Next: Clinical study results
What is the Optune Lua™ System approved to treat?
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The Optune Lua System is a wearable, portable, FDA-approved device indicated for…

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