Specification:MaterialElastic foamColorBlackDimensionsS, L, XL Size Chat:SizeHigh WeightChest S155-168cm42.5-55kg70-85cmL168-175cm57.5-67.5kg85-105cmXLMore than 175cm70-100kg95-115cmFeatures:High strength fabric.Ease back and shoulder pain.Comfortable and light.Package Includes:1 x Back support..
Specification:Model MIM10Support systemModels after IPhone 4S/Most Android modelsWeight About 36gBluetooth chipBLE low energy Bluetooth 4.2 chipBatteryLithium battery 3.7V 250mASupported modelsAbout IOS 9.0/Android 8.0Features:1. Food grade silica gel, skin-friendly and more comfortable to wear.2. L..