Does the battery, as described, for about 5 days. The recording of activities (steps, running, sleeping, etc.) is working properly. I am excited that I do not have musss near my phone so the smart band records. Once the Smart Band (after hours or alleged to 7 days) reconnects with the phone, everything will transfer "nachräglich".
The pity is that Sony has given away a lot of potential in the associated apps. Three have a total installed, two of which are to be used in connection: LifeLog and Smart Connect. SmartConnect shows me the battery level of the bracelet. Moreover, I can find all settings (alarm, automatic night mode, Benachrichtugungen etc). This app is fine.
LifeLog is the app that illustrates all of us activities. This, however, completely unspectacular. There are steps and calories burned display. In addition, I can see here the time I spent on it running, surfing or chatting. Thus, the scope of the application is already circumscribed sufficient. As a "fitness coach" they ought not this app. Here there are clearly more useful apps such Runtastic for Android.
Otherwise, the smart band is definitely a nice gimmick. However However, the alerts (vibration) for incoming messages works for me not reliable for incoming calls already. For me inexplicably the band to connect to the smartphone loses about every two days lasting (with me: Samsung Galaxy S4 mini), so I just get a bit cumbersome coupled with NFC and a little patience the power on again.
I forgive four stars for the band, because it is not safe perfectly. But it served its purpose in any case. A particularly innovative feature is the alarm and monitoring of deep and light sleep phases. For the current, moderate price (about 50 euros), I'd buy me any time.
