This bracelets works pretty good in alerting you of incoming calls, text messages and email, but the battery life claims to last 6-15 days depending upon use, but I can barely get 4 days and that’s from low use, other than that, can’t beat it for the price, I paid $15 for this bracelet, a lot of similar bracelet only alerts you of incoming calls, this one includes incoming texts and email messages. The most annoying feature is when you do get a text alert, the bracelet vibrates the entire time the message is active, every time the other party responds, your bracelet will keep vibrating, I think that’s why it has such poor battery life. I usually turn off the bracelet during a long texting session, because it’s just so annoying to have the bracelet vibrating every few seconds to alert you of a message, you’re already aware of and responding to. I just throw it on the charger for 1 hour daily while I shower, just to make sure it’s constantly charged.