The hipee posture trainer helps you correct posture with smart vibration reminders, training muscle groups instead of external forces stretching. Simple to use, Comfortable to wear, smart and natural. You could use this posture corrector in home, office, school, library or gym. Use well-designed hipee trainer directly, No annoying accessories are needed. Quite easy to carry, you could put this corrector in your handbag, pocket, or laptop bag. Download hipee app POSTURE UP from Apple or Google play store, start tracking and analyzing your posture in real-time. This smart corrector sync with mobile phone via Bluetooth, you could set reminder mode or delay time. The hipee posture corrector could also be used in default mode without mobile phone. Intelligent Filtering mode supported, which would cancel unnecessary reminders, such as sit, stand up, bend over, tie shoelaces. With upgraded USB rechargeable lithium battery, this posture corrector can be used for 50 hours once fully charged.