The Erostek F-312BT / MK-312BT is a must-have for anyone interested in electrostimulation.
The F-312BT / MK-312BT started as a community project to redesign the ET-312B. It was retired several years ago. As a result, based on the PCB V1.4 and firmware f005, the Erostek F-312BT / MK-312BT / ET312B offers incredible performance and reliability. Thanks to its built-in, rechargeable, high-capacity LIFEP04 battery (2.6Ah) and integrated BMS, it provides an endurance of 24 hours at full load. Moreover, charging only takes 4-5 hours. In addition, the larger output transformers ensure smoother stimulation at higher output levels. Therefore, they provide ample reserves for electrostimulation. The desktop case comes with a convenient handle for easy setup. Furthermore, it eliminates unsightly screws on the front panel.
High-Quality Build for Long-Term Durability
The Erostek F-312BT / MK-312BT / ET312B features high-quality components for long-lasting durability. For instance, it includes 3 ALPS potentiometers and unique switch caps with lettering and arrows. You can use 18 built-in routines, including waves, intense, random, and 3 audio modes. Additionally, up to 6 user-selectable routines can be added with the original software. The device communicates easily with the original software via a USB FTDI link cable. This enables you to load custom routines or remotely control the device. The full Stereo Audio modes enable audio-based stimulation from mono and stereo sources (including SmartStim and Phaser waveforms). Simply connect the device to the headphone output of your computer, smartphone, or any other stereo playback device using a Stereo Audio Cable.
Advanced Features for Maximum Customization
The microphone input lets you incorporate ambient sounds, music, or your voice into stimulation by connecting any PC-compatible microphone. In addition, the bright, easy-to-read backlit LCD displays the current mode and output settings for channels A and B, even in low-light situations. Multiple power settings give you 3 power ranges for finer adjustments. The F-312BT / MK-312BT offers a wide range of pleasurable sensations, all with hands-free stimulation. Furthermore, the unique TriPhase output creates a third stimulus waveform between channels A and B. This provides more variety and creative electrode placements. For more details, see our TriPhase Adapter. Advanced menus allow you to fine-tune the parameters. The F-312BT / MK-312BT is a fully compatible and refined version of the legendary ET-312B.
Measures 8.0″ x 7″ x 2.6″ (200 mm x 180 mm x 68 mm)
Weighs 3.6 pounds (1.6 kg)
Important for EU customers: This device falls under TARIC code 85432000 – Signal / Function Generators and is customs duty-free. As a result, we prepay the import VAT directly to the shipping company. This means you pay no import VAT upon delivery. No additional costs, no surprises.
Important for US customers:
This product falls under HS code 85432000 (Signal Generators).
A small import duty (usually less than 1 USD for low-value orders) may apply, and the courier might charge a minor handling fee. Sales tax is not prepaid and may be collected at delivery.
Liu (verified owner) –
The MK-312BT sets new standards in the field of electrostimulation. With precise control and a wide range of customization options, it is an indispensable tool for both training and therapy. The intuitive user interface allows for effortless adjustments, while the wireless Bluetooth connectivity revolutionizes integration with mobile devices. High-quality materials and top-notch craftsmanship ensure a long lifespan. The MK-312BT not only meets but surpasses all expectations, making it a worthwhile investment for professionals and enthusiasts alike.
Nico (verified owner) –
Great little unit!
F-312BT works great, way better than I expected. Strong pulses, battery lasts long. Shipping was quick. Would buy again for sure.
Estim (verified owner) –
Got the F312BT since a few days. Gotta say, it’s really good. Had the 2B before and this new one is way stronger, also feels better.
I like that you don’t need any batteries anymore. That’s cool.
Claudia (verified owner) –
I’ve been using the F-312BT for about two weeks now and I’m quite impressed. The stimulation feels very precise and cleaner than what I was used to with my old ET312.
One big plus is the built-in lithium battery – it lasts for several days without needing a recharge, unlike the old lead-acid battery in the original.
Build quality feels solid, all ports fit tightly and the dials respond very smoothly.
For the price, I’d honestly call this a hidden gem.
Delivery took 10 days, no issues, no customs fees.
Henk (verified owner) –
I love this device!!!
The F-312BT really surprised me. I’ve had a few other models before, but none felt this comfortable and powerful at the same time. The programs are varied, the intensity can be adjusted very precisely, and even the design looks great.
I’d recommend it to anyone seriously getting into E-Stim. Really top.
Was a bit confusing at first, but once I got the hang of it, all good.
Peter (verified owner) –
Great seller, everything went smooth!
No customs fees or import tax at all – just like it said on the website. Delivery to me took 12 days, which I thought was totally fine.
I already own the original ET312BT from Erostek, and now I got the F-312BT (aka MK312BT). Honestly, I kinda like the new one even more.
Because of the built-in lithium battery it’s way more convenient and also lasts longer. The power is stronger too, probably due to the bigger transformers.
It also just feels nicer somehow – hard to describe, you really gotta try it yourself.
My buddy was so impressed he went and got one too. Really happy with this purchase!
Jaxon (verified owner) –
I was a bit skeptical at first because I’m used to the original ET312, but I wanted to give the F-312BT a try – and I wasn’t disappointed.
It feels well-designed, and the built-in battery is a clear improvement. Took me a moment to figure out the controls since the menu works a bit differently, but after that everything was fine.
One small thing: the case isn’t quite as heavy-duty as the original, but it’s lighter, easier to handle, and finally has a stand thanks to the handle!
All in all, a really solid device at a fair price.
Delivery came without any problems, I think after 13 days or so. I’m happy with it.