Can i use water or have to buy saline solution?

You should use saline. For a DIY solution, add 1 teaspoon salt to 2 cups water.

can anyone read the tiny little instruction book and tell me what the website it points to for electrode hook up instructions?

The grey rubber disk that holds the sponge has a tiny outlet with almost undetectable hole in it. Just press metal piece at the end of the wire connected to the electrode into it.I agree that the instructions that come with the device are grossly inadequate.

Is this different than a neurostimulator like Fisher Wallace?

Yes, this is a tDCS (transcranial direct current stimulation) device that uses a Direct Current (DC) whereas Fisher Wallace is a CES (Cranial Electrotherapy Stimulation) device that uses an Alternating Current (AC)

Is this fsa or hsa eligible?

No. Unfortunately, no tDCS device is currently FSA or HSA eligible.

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🧠 Elevate your mind, control your focus — the future of brainpower is in your hands!

PORTABLE RECHARGEABLE - Lightweight design with a built-in lithium-ion battery lets you power up your brain anywhere, anytime.
PRECISION POWER CONTROL - Fine-tune your brain stimulation in 0.1 mA increments for personalized cognitive enhancement.
SMART SAFETY MONITORING - Automatic pause ensures optimal electrode contact, so you get safe and effective stimulation every time.
USER FRIENDLY INTERFACE - Bright backlit LCD and intuitive controls make advanced brain stimulation effortless and accessible.
CUSTOMIZABLE SESSION LENGTH - Set your tDCS sessions anywhere from 1 to 40 minutes to fit your busy schedule perfectly.

The Caputron Brain Premier tDCS Device is a compact, precision-engineered brain stimulator offering up to 2 mA direct current with 0.1 mA increments and a fully adjustable session timer up to 40 minutes. Featuring automatic safety pauses for optimal electrode contact, a rechargeable lithium-ion battery, and a user-friendly backlit LCD interface, it empowers professionals to enhance cognitive performance safely and conveniently on the go.

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Brand	Caputron
Manufacturer	Brain Ultimate
Item Weight	308 g
Package Dimensions	12.7 x 9.8 x 7.8 cm; 308 g
Batteries	1 Lithium Ion batteries required. (included)
Display Size	4 Inches
Are batteries included?	Yes
Lithium battery energy content	1.92 Watt Hours
Lithium Battery Packaging	Batteries contained in equipment
Lithium battery weight	0.01 g
Number of lithium ion cells	1

Caputron Brain Premier tDCS Device

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