Activlife Activ5 is a connected pebble-shaped device with pressure sensors to detect and improve your strength during muscle toning exercises. 3 pressure sensors and based on the concept of isometry, Activ5 tones deep muscles while respecting joints, develops muscular endurance and increases bone density. This connected roller is used in conjunction with the Activ5 App (free to download from the App Store or Google Play Store). You will be able to calculate your strength, participate in challenges and access over 100 exercises and complete bodybuilding programs, all adapted to your level. Suitable for anyone who wants to perform simple, joint-friendly exercises that target specific muscle groups (pecs, shoulders, abs, glutes). Can be used anywhere and at any time.