Beurer Menstrual Relax + TENS & Heat Device Turquoise Blue is designed for users seeking a compact device designed specifically around menstrual discomfort. A flexible rechargeable TENS and heat device designed by Beurer for menstrual pain and pain associated with endometriosis. Key verified details include tens intensity: 15 adjustable intensity levels; heat setting: 1 heat level at approximately 43°C; and combined use: TENS and heat can be used separately or together. This keeps the product focused on the functions Beurer specifies for this model. For everyday ownership, form: Flexible body-worn design; power: Rechargeable operation; and controls: Integrated controls with LED indication. It also suits routines where heat and tens may be used separately or together. The EM 55 is purpose-designed around menstrual use with 15 TENS levels and a 43°C heat setting; the EM 59 is a broader TENS/EMS/massage device with two heat levels and 64 pre-programmed applications. That makes it straightforward to assess when these confirmed features are the priority.