{"course":{"firstName":"a","lastName":"a","courseNum":"123456789"},"activity":{"state":"tablette libreé ou sous controle","executingApp":{"packageName":"com.example.milliweb.showharddetails","version":"1.0","name":"ShowHardDetails"}},"storage":[{"type":"SD  Interne","capacity":{"unformatted":10306605056,"formatted":"9,60 GB"},"free":{"unformatted":6847225856,"formatted":"6,38 GB"}},{"type":"SD  Externe","capacity":{"unformatted":0},"free":{"unformatted":0}},{"type":"RAM","capacity":{"unformatted":1985728512,"formatted":"1,85 GB"},"free":{"unformatted":1127841792,"formatted":"1,05 GB"}}],"battery":{"capacity":{"unformatted":4600,"formatted":"4600.0 mah"},"voltage":{"unformatted":3996,"formatted":"3996 mv"},"level":{"unformatted":84,"formatted":"84 %"}},"tablet":{"screenSize":{"formatted":"1200x1824 px","height":1824,"width":1200},"id":"301443e80c1bdc68","brand":"acer","model":"A1-840FHD","wifi":{"ssid":"\"Livebox-44D4\"","strength":94},"version":"4.4.2"}}