diff --git a/libmushu/driver/emotiv.py b/libmushu/driver/emotiv.py
index fcf0bac..4fdd7e6 100644
--- a/libmushu/driver/emotiv.py
+++ b/libmushu/driver/emotiv.py
@@ -27,8 +27,8 @@
 from libmushu.amplifier import Amplifier
 
 
-VENDOR_ID = 0x1234
-PRODUCT_ID = 0xed02
+VENDOR_ID = 0x21a1
+PRODUCT_ID = 0x0001
 
 ENDPOINT_IN = usb.util.ENDPOINT_IN | 2  # second endpoint
 
@@ -39,7 +39,11 @@ def __init__(self):
         # find amplifier
         self.dev = usb.core.find(idVendor=VENDOR_ID, idProduct=PRODUCT_ID)
         if self.dev is None:
-            raise RuntimeError('Emotiv device is not connected.')
+            VENDOR_ID = 0x1234
+            PRODUCT_ID = 0xed01
+            self.dev = usb.core.find(idVendor=VENDOR_ID, idProduct=PRODUCT_ID)
+            if self.dev is None:
+                raise RuntimeError('Emotiv device is not connected.')
         # pyusb docs say you *have* to call set_configuration, but it does not
         # work unless i *don't* call it.
         #dev.set_configuration()
@@ -58,6 +62,8 @@ def __init__(self):
         # is not sent with every frame.
         self._battery = 0
         self._quality = [0 for i in range(14)]
+        #sampling frequency
+        self.fs = 128
         # channel info
         self.channel = ['Counter', 'Battery',
                         'F3', 'FC5', 'AF3', 'F7', 'T7', 'P7', 'O1',
@@ -71,14 +77,20 @@ def __init__(self):
 
     def get_data(self):
         try:
-            raw = self.dev.read(ENDPOINT_IN, 32, 1, timeout=1000)
+            raw = self.dev.read(ENDPOINT_IN, 32, 1, timeout=10000)
             raw = self.decrypt(raw)
             data = self.parse_raw(raw)
             data = np.array(data)
         except Exception as e:
             print e
             data = np.array()
-        return data.reshape(1, -1)
+        return data.reshape(1, -1),[]
+        
+    def get_sampling_frequency(self):
+        return self.fs
+        
+    def get_channels(self):
+        return self.channel
 
     @staticmethod
     def is_available():
@@ -86,7 +98,7 @@ def is_available():
             return False
         else:
             return True
-
+            
     def generate_key(self, sn, research=True):
         """Generate the encryption key.