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Duplicate eSense on a large screen (screen mirroring)

With the eSense app, it is possible to display the screen content of a tablet or smartphone on a larger screen, which is known as stream mirroring. This allows you to watch your biofeedback training at home on your big screen TV, for example, which can improve your training.

The following instructions can be used with all eSense devices. An adapter is always required:

Smartphone / tablet (with the eSense app) Adapter TV / projector

We generally recommend iOS devices.


With Android, it only works with newer devices that have a USB-C output and a 3.5 mm jack plug. Android devices with micro USB do not work.

Our recommendation is this adapter on Amazon:

JSAUX USB C HDMI Adapter, 4K USB Type-C Thunderbolt 3 auf HDMI Adapter

eSense Skin Response, Temperature and Respiration: If your device no longer has a 3.5mm jack plug and you are already using a USB-C to 3.5mm jack adapter for the eSense, unfortunately you cannot use the USB-C to HDMI adapter.

Wireless with HDMI dongles (Miracast / Chromecast etc.)

We have had rather mixed experiences with the common HDMI dongles. There are many options, but the dongles generally require an external power supply and are rather complicated to set up.

We therefore advise against using them, but in principle it works and is an alternative if no further adapter is available in the device (because the device only has a USB-C but no longer has a 3.5mm jack plug).


You can connect a Lightning Digital AV Adapter or a USB-C Digital AV Multiport Adapter to the Lightning port of your iOS device and use an HDMI cable (sold separately) to connect your iOS device to a TV or projector.

In principle, this is possible with any iPhone, iPad and iPad Pro that are also compatible with our eSense app.

We expressly recommend only original Apple adapters. Others may work under certain circumstances if they have MFI certification. However, Apple could change something at any time, so we do not recommend third-party adapters, which may not be updated quickly enough and may no longer be compatible.

You can find the original Apple adapters on Amazon:

Apple Lightning Digital AV Adapter
Apple USB-C-Digital-AV-Multiport-Adapter

eSense Skin Response, Temperature and Respiration: iOS also requires a USB-C to 3.5mm jack adapter for these eSense devices (this is not required for the eSense Pulse and Muscle as they connect to the smartphone or tablet via Bluetooth).

This means that if you want to use an iPad with the eSense, it should also have a 3.5mm jack connection. The iPad Mini 5 would be an example, this is slightly older, but still has the 3.5mm jack connection. For normal iPads, the 9th generation devices were the last with the 3.5mm jack connection. We recommend or to purchase these at a reasonable price.

Wireless with Airplay

We have had good experiences with AirPlay. The setup at Apple is very simple, the best solution is probably a used Apple TV from 50 euros: Apple TV 4K Gen 1

Mini projector

There are now also relatively good mini projectors available for an acceptable price. In our experience, these are not particularly bright, but in a sufficiently dark room they are an option.

The projector only needs an HDMI input.


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