Posture correction strap made from soft food grade silicone with an ergonomic design for comfort and durability. Built in 200mAh rechargeable battery provides about one week of use on a full charge, making it suitable for daily wear. Key benefits Intelligent posture alerts: upgraded strap monitors back angle and delivers a vibration reminder when the lean exceeds 25 degrees, helping users notice and correct slouching in real time. Comfortable long wear: soft food grade material is lightweight, breathable, and ergonomically shaped to reduce pressure and irritation during extended use. Supports consistent posture habits: designed to encourage upright positioning, assist vertebra alignment, and promote chest opening through gentle feedback and regular use. Versatile and adjustable: fits both adults and children, and works with a range of clothing and activities. Features and specifications Material: soft food grade silicone for skin friendly contact and easy cleaning Battery: 200mAh rechargeable cell, approximately one week of typical use per full charge Function: intelligent angle monitoring with vibration reminder triggered over 25 degrees Fit: adjustable strap suitable for a variety of body sizes and daily activities Performance: lightweight and breathable construction for discreet, comfortable wear Practical use scenarios Office work: wear under clothing while sitting at a desk to receive vibration reminders that prompt posture checks during long work sessions. Study and learning: suitable for students to wear during study periods to build awareness of sitting posture. Walking and commuting: use during short walks or daily commutes to reinforce upright posture in active settings. This strap is a practical, easy to use accessory for anyone looking to increase posture awareness during daily routines.