What are the dimensions of the unit?

A little bigger than s cigarette pack.

is there a "continuous mode" (no forced shutdown after 10,15, or 30 minutes)?

If you change the time settings, you can have it running until it run out of charge. So, yes there is

asked if battery can be replaced you said no-how long does the lithium battery last then?

Mine is about 1-1/2 years old and only has 1/2 the power strength it used to.

My unit came with a white usb charger... has anyone else got a white charger too? could it be something wrong with my charger adapter?

I don't think they color-match the unit and the charger.

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⚡ Power Your Recovery, Pain-Free and On-Demand!

7 DYNAMIC MODES - Choose from 5 TENS and 2 EMS modes plus 12 presets to customize your pain management and muscle recovery.
CLINICALLY TRUSTED TECH - Harness decades of professional-grade TENS and EMS therapy, drug-free and non-invasive.
DUAL CHANNEL POWERHOUSE - Simultaneously target multiple pain points with 2 independent channels for personalized relief.
PREMIUM JAPANESE GEL PADS - Experience superior conductivity and skin comfort with biocompatible SEKISUI gel pads designed for sensitive skin.
CERTIFIED SAFETY QUALITY - IEC60601-1 and EMC certified, made in Taiwan, ensuring reliable, safe, and effective pain relief.

The iStim EV-804 is a professional-grade 2-channel TENS/EMS combo device designed for effective, drug-free pain relief and muscle stimulation. Featuring 7 modes and 12 presets, it delivers customizable therapy through high-quality Japanese gel electrode pads. Certified for safety and made in Taiwan, it offers a trusted solution for chronic and acute pain management, muscle relaxation, and strengthening.

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