. Improve posture and reduce slouching with an easily adjustable dual strap design. The posture corrector features a high-elastic nylon belt for enhanced elasticity and comfort. It is breathable and comfortable for extended wear. This smart posture corrector helps correct poor posture habits and provides relief from neck, back, and shoulder discomfort, promoting a more confident posture. Equipped with an advanced sensor design, it actively reminds you to adjust your posture through vibration alerts, offering a modern alternative to traditional restrictive posture straps. Powered by a 150mAh polymer lithium battery, it can be fully charged in approximately 2 hours and lasts for up to 6 hours of usage. Charging is simple using the included USB cable. Specifications: Material: ABS + Nylon Strap Gender: Unisex Battery Capacity: 150mAh, 3.7V Working Voltage: 5V Rated Power: 0.4W Charging Time: Approx. 2 hours Usage Time: Up to 6 hours Charging Voltage: 5V Charging Method: USB Charging Size: One size fits most Features: 1. Three reminder modes: A) Vibration alert mode, B) Beep sound alert mode, C) Combined vibration and sound alert mode. Modes are freely switchable to help users maintain proper sitting posture and develop healthy habits. 2. Utilizes built-in gyroscope tilt detection technology for accurate angle monitoring, reducing false or missed alerts. Package Includes: 1 x Posture Corrector 1 x USB Cable