Smart Posture Corrector with Micro Vibration Sensor Back Neck Hump Corrector for Adults and Kids Posture Training

Is Batteries Included : Yes Number Of Pieces : One Unit Application : Neck Material : Silicone Origin : Mainland China Item Type : Braces & Supports Color : Black Product Size : 346 * 90 * 13Mm (Straight) Specification : Single Piece Name: Corrective Strap Specification: Single Piece Color: Black Material: Silicone Product Size: 346 * 90 * 13Mm (Straight) Rated Current: 0.12A Rated Power: 0.6W Product Accessories: Host, Manual, Usb Cable Power Supply Method: Charging Type Charging Voltage: 5V Working Voltage: 3.7V Charging Time: 3.5H Net Product Weight: 65G Gross Weight Of A Single Product Set: 92.3 Including Product Packaging Features: