diff --git a/usb/device.go b/usb/device.go
index 9129990..46ff63f 100644
--- a/usb/device.go
+++ b/usb/device.go
@@ -92,7 +92,7 @@ func (d *Device) Close() error {
 	return nil
 }
 
-func (d *Device) OpenEndpoint(cfgNum, ifNum, setNum, epNum uint8) (Endpoint, error) {
+func (d *Device) OpenEndpoint(cfgNum, ifNum, setNum, epNum uint8) (*Endpoint, error) {
 	var cfg *ConfigInfo
 	for _, c := range d.Configs {
 		if c.Config == cfgNum {
diff --git a/usb/endpoint.go b/usb/endpoint.go
index 067fa63..c0c7ccc 100644
--- a/usb/endpoint.go
+++ b/usb/endpoint.go
@@ -20,14 +20,7 @@ import (
 	"time"
 )
 
-type Endpoint interface {
-	Read(b []byte) (int, error)
-	Write(b []byte) (int, error)
-	Interface() InterfaceSetup
-	Info() EndpointInfo
-}
-
-type endpoint struct {
+type Endpoint struct {
 	h *libusbDevHandle
 
 	InterfaceSetup
@@ -37,7 +30,7 @@ type endpoint struct {
 	writeTimeout time.Duration
 }
 
-func (e *endpoint) Read(buf []byte) (int, error) {
+func (e *Endpoint) Read(buf []byte) (int, error) {
 	if EndpointDirection(e.Address)&ENDPOINT_DIR_MASK != ENDPOINT_DIR_IN {
 		return 0, fmt.Errorf("usb: read: not an IN endpoint")
 	}
@@ -45,7 +38,7 @@ func (e *endpoint) Read(buf []byte) (int, error) {
 	return e.transfer(buf, e.readTimeout)
 }
 
-func (e *endpoint) Write(buf []byte) (int, error) {
+func (e *Endpoint) Write(buf []byte) (int, error) {
 	if EndpointDirection(e.Address)&ENDPOINT_DIR_MASK != ENDPOINT_DIR_OUT {
 		return 0, fmt.Errorf("usb: write: not an OUT endpoint")
 	}
@@ -53,10 +46,10 @@ func (e *endpoint) Write(buf []byte) (int, error) {
 	return e.transfer(buf, e.writeTimeout)
 }
 
-func (e *endpoint) Interface() InterfaceSetup { return e.InterfaceSetup }
-func (e *endpoint) Info() EndpointInfo        { return e.EndpointInfo }
+func (e *Endpoint) Interface() InterfaceSetup { return e.InterfaceSetup }
+func (e *Endpoint) Info() EndpointInfo        { return e.EndpointInfo }
 
-func (e *endpoint) transfer(buf []byte, timeout time.Duration) (int, error) {
+func (e *Endpoint) transfer(buf []byte, timeout time.Duration) (int, error) {
 	if len(buf) == 0 {
 		return 0, nil
 	}
@@ -78,8 +71,8 @@ func (e *endpoint) transfer(buf []byte, timeout time.Duration) (int, error) {
 	return n, nil
 }
 
-func newEndpoint(h *libusbDevHandle, s InterfaceSetup, e EndpointInfo, rt, wt time.Duration) *endpoint {
-	return &endpoint{
+func newEndpoint(h *libusbDevHandle, s InterfaceSetup, e EndpointInfo, rt, wt time.Duration) *Endpoint {
+	return &Endpoint{
 		InterfaceSetup: s,
 		EndpointInfo:   e,
 		h:              h,
diff --git a/usb/endpoint_test.go b/usb/endpoint_test.go
index a9498c2..9a3ffea 100644
--- a/usb/endpoint_test.go
+++ b/usb/endpoint_test.go
@@ -73,7 +73,7 @@ func TestEndpoint(t *testing.T) {
 					fakeT.status = tc.status
 					close(fakeT.done)
 				}()
-				opv := op.Func.Interface().(func(*endpoint, []byte) (int, error))
+				opv := op.Func.Interface().(func(*Endpoint, []byte) (int, error))
 				got, err := opv(ep, tc.buf)
 				if (err != nil) != tc.wantErr {
 					t.Errorf("%s: bulkInEP.Read(): got err: %v, err != nil is %v, want %v", tc.desc, err, err != nil, tc.wantErr)
@@ -88,7 +88,7 @@ func TestEndpoint(t *testing.T) {
 }
 
 func TestEndpointWrongDirection(t *testing.T) {
-	ep := &endpoint{
+	ep := &Endpoint{
 		InterfaceSetup: testBulkInSetup,
 		EndpointInfo:   testBulkInEP,
 	}
@@ -96,7 +96,7 @@ func TestEndpointWrongDirection(t *testing.T) {
 	if err == nil {
 		t.Error("bulkInEP.Write(): got nil error, want non-nil")
 	}
-	ep = &endpoint{
+	ep = &Endpoint{
 		InterfaceSetup: testIsoOutSetup,
 		EndpointInfo:   testIsoOutEP,
 	}