Equipped with a Bluetooth button. Stretch cotton socks with a DUAL POWER heating system allow you to use the socks with different power sources: The button can be adjusted and the battery life can be viewed directly on the button or via an app on your smartphone.

All products equipped with a Bluetooth button have the following features: They can operate independently or be connected via Bluetooth to any Android or Apple device. To turn them on, press and hold the button for 3 seconds. The button will return to the last level set; you can adjust the power level to four different levels, indicated by the four colors: RED (maximum), PURPLE (mid-high), BLUE (mid-low), and WHITE (min). You must download the "Macna Heated" app from the Google Play store or the Apple store. Once installed, you can connect all supported products. Using the app, you can adjust the heating power of each connected product individually or group the products together and set them to the same level. The app displays the heating level set and the battery charge level, if in use. You can also use a timer for each product, which turns it off when the timer expires. The products cannot be turned on via the app (they must be turned on individually using the control button), but you can adjust them and pause them (button on, but heating off). The app is available in multiple languages ​​and can be installed on all devices that support the Bluetooth 4.0 low emission standard.