Ecg F12 apparatus with sender for wireless connection.

Advantages
of the wireless apparatus:
-
Build-in rechargeable batteries. Autonome up to 8 hours.
- Recording in and adjacent room is possible.
Advantages
of the apparatus with wired connection:
- Powered by a USB connection.
-
You may forget to turn off after use.
Conclusion:
Wireless connection is a little bit more
expensiv. About 50 pourcent of the users buy a
wireless apparatus and are very happy with it. The others are also lucky,
because they may forget to turn off the apparatus.