Although your K-IP works without, Bluetooth allows your beacon to communicate with your phone. By activating the Bluetooth and using the K-IP app, your network coverage will be extended as your beacon will benefit from the GSM network of your phone. This increases the quality of the track you share with your loved ones and the reliability of the alert you send in case of distress.
Don’t forget, your K-IP also works without a phone. Check here to see more information about this topic.