List<HIDDeviceInfo> SquareWearList = new ArrayList<HIDDeviceInfo>();
try {
HIDManager hidManager = HIDManager.getInstance();
HIDDeviceInfo[] infos = hidManager.listDevices();
for (HIDDeviceInfo info : infos) {
if (info.getVendor_id() == VENDOR_ID
&& info.getProduct_id() == PRODUCT_ID) {
SquareWearList.add(info);