DescriptionNumber of Pieces : One UnitApplication : BackEffect : Bone CareMaterial : Cotton, ABSModel Number : D28Brand Name : ELERAOrigin : Mainland ChinaItem Type : Braces & Supportsname : Smart posture correctorsize : 104*86*20mmweight : 86gRated Voltage : 3.7VRated current : 0.06ARated power : 0.22WBattery Capacity : 500mAPacking list : 1 host, 1 charging cable, 1 manualFeature1.Smart sensor, vibrate to alert when back bend over 252.Eliminates neck and back discomfort from sitting with rounded shoulders in front of the computer3.Lightweight high elasticity nylon corrector can be worn comfortably under or over clothing.4.Smart Posture Corrector vibrates automatically to remind users of their incorrect posture5.Easily get perfect confident posture - start standing, sitting much straighter.6.Adjustable length, suitable all ages male and femaleSize:JZQ001-Free SizeIncluding1*Smart Corrector1*Manual1*Cable