is this good for treating muscle knots in the neck?

For me, yes. If you are going to treat your neck, try all the different modes on the lowest strength over a few days with breaks in between until you find out which one works best for you. Different days may call for different modes. I would also recommend having an ice pack to help with the discomfort, but that is up to you.

I charged overnight, and plugged in all channels- but unit will not come in.

You have to plug in first... 0 circuit means 0 current no matter how you try to turn it up.

Usa electrodos compatible con omron?

hola no te sabria contestar que tipo de conector tiene el que me preguntas calculo que cada marca debe de vender sus repuestos mis disculpas

Where can I buy the small replacement pads only?

Please check the following links: https://www.amazon.com/dp/B08XXVW3PK https://www.amazon.com/dp/B08TMQGMJT https://www.amazon.com/dp/B08BFWQ5NL

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⚡️ Fight pain like a pro—anytime, anywhere!

HANDS FREE CONVENIENCE - Clip it on your belt and enjoy effective muscle stimulation without interrupting your daily routine.
POWERFUL PAIN RELIEF ANYWHERE - Compact, pocket-sized design lets you use it discreetly at work, in the car, or on the go.
CUSTOMIZABLE 4 CHANNEL THERAPY - Independently control 24 modes and intensity for each channel—target multiple pain points simultaneously.
PREMIUM REUSABLE ELECTRODE PADS - Includes 10 thick, self-adhesive pads and 5 lead wires for secure, comfortable, and mess-free sessions.
LONG LASTING RECHARGEABLE BATTERY - No more dead AA batteries—USB rechargeable with battery level indicator for uninterrupted therapy.

The Belifu 4 Independent Channel TENS EMS Unit offers 24 customizable modes and 30 intensity levels across four separate channels, delivering targeted pain relief for multiple body areas simultaneously. Its rechargeable lithium battery and USB charging ensure uninterrupted use, while 10 reusable adhesive pads and cable management accessories provide a premium, mess-free experience. Compact and portable, it’s designed for busy professionals seeking effective, hands-free muscle stimulation on the go.

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