XB2-E Series Pushbutton Switch are using controlling circuit of AC voltage up to 660V/AC 50Hz.and DC voltage below 400V.It is used for controlling signal and interlocking purposes.The main body of the push buttons adopts zinc alloy and high-grade anti-flam plastic.The contact adopts special silver alloy in order to enjoy the benefit of high anti-electrical erosion.The signal lamp series are suitable for electrical applicances circuit of AC voltage up to 380V/50Hz,and DC voltage below 380V.It is ideal for using as indicating signals,warning signals,emergency signals. XB2-E Series Pushbutton Switch Push Button Switch,Micro Push Button Switch,Red Push Button Switch,Industrial Push Button Switches Ningbo Bond Industrial Electric Co., Ltd. , https://www.bondelectro.com
In addition, according to people familiar with the matter, the 1.5-inch OLED display that iWatch intends to use is manufactured by Laibao Technology, a subsidiary of Taiwan Ryder Technology, and its touch screen technology will be provided by Laiyang Technology. The purpose of Apple is to make the display of the smart watch as thin as possible for use in smart watches. 
It is reported that Apple is now testing a 1.5-inch OLED display that may be used in its wearable device iWatch, and Foxconn has received the first order from iWatch.