Posture Trainer & Corrector Pro with Necklace

Bestsnd Posture Corrector & Trainer - It's a intelligent strapless posture corrector, you could place it onto your upper back. It reminds you sit or stand straight up with a real-time gentle vibration reminder.It is a simplest, effective and most natural way to improve your posture within just 2 weeks. Monitor Your Spine Status At Any Time: Download the Bestand APP and sync your device with the app to start your daily training and tracking. This smart posture corrector could monitor your spine, if you get slouch, it will vibrate to remind you to get straight up Training mode: The app allows you custom your personal training angle, training time, and vibration intensity in the Bestand APP. These daily training modes help to improve your posture and build a good habit gradually. Tracking mode: APP is disconnected from the posture corrector, and it will track your posture according to the last custom setting through memory. There is vibration (vibration can be turned off or turned on by pressing the switch button), and there is no data record. Only when the APP is connected to the posture corrector and calibrated will there be data records. Note: Before use it, please connect it with the Bestand APP through Bluetooth to get better effection. Compatible with IOS 9 up & Android 5 up.