The key features are:1. Wireless data transfer – with NFC wireless technology, your data are transferred securely even without battery2. A secure online portal – practitioners keep track of multiple patients’ wear logs without seeing the patients3. Better patient compliance – parents/guardians can see patients wearing data/pattern on-demand without office visits4. Large memory for data – built-in flash memory can store ~25,000 data entries and be easily refreshed with smartphones5. Long battery life – replaceble lithium battery run up to 16-18 months6. A wear log report – can be emailed to mailboxes