APP language support: Chinese,English,Spanish,French More colors: White Black,Green,Blue, red etc Bluetooth 4.0 version or above. Iphone4s/5/5s or abve, Ipad ,mini Touch5,ipad 3/4 Low-energy The effective distance of iTag is 75 Feet in open range without barrier. working temperature:-10 to +50 degrees Celsius Working distance :0-15m