Estimated Delivery:8 ~ 10 business days, Shipping Fee GBP 1.99 Feature: * Intelligent posture correction:the detector will vibrate to remind you when you are slouching. Let you maintain a natural upright posture. To get excellent posture and hunchback correction * Compact and concealable:Designed to be compact and lightweight, it can be easily hidden under your clothes. You can wear it at work, school, home or when you are out playing sports * Within reach:The center back switch is well positioned and can be easily turned on by children and adults alike * Counting function:record the number of wrong posture every day, less and less wrong number every day, it means the hunchback becomes better and better, more effective to observe the child's improvement * scientific correction:develop body memory, 2 hours a day for 3 weeks to change bad habits straight back is important, when you have a hunchback arc more than 25 ¡ã orthodontic device will remind you through the vibration of the way to lift your chest Specifications: Product name:intelligent induction posture corrector Charging interface:Mini-USB Android interface Battery specification:500mAh/3.7V Specification:even size Charging time:about 1.5 hours Material:ABS + PC + high-strength elastic nylon belt Function:spinal correction, anti-hunchback, correct sitting posture Charging voltage:DC5V Product net weight:67g Packing list:Host *1,Back belt *1,Charging cable *1,Instruction book *1