diff --git a/src/usb/usb_descriptors.c b/src/usb/usb_descriptors.c
index 81d16b7..7f9acd8 100644
--- a/src/usb/usb_descriptors.c
+++ b/src/usb/usb_descriptors.c
@@ -38,7 +38,7 @@
 
 #define USB_CONFIG_ATT_ONE TU_BIT(7)
 
-#define MAX_USB_POWER       1
+#define MAX_USB_POWER       2
 
 bool enable_wcid = false;
 
@@ -114,13 +114,13 @@ uint8_t const desc_hid_report_kb[] = {
 #ifdef USB_ITF_WCID
 #define TUD_SMARTCARD_DESCRIPTOR_WEB(_itf, _strix, _epout, _epin, _epsize) \
     9, TUSB_DESC_INTERFACE, _itf, 0, 2, 0xFF, 0, 0, _strix, \
-    54, 0x21, U16_TO_U8S_LE(0x0110), 0, 0x1, U32_TO_U8S_LE(0x2), U32_TO_U8S_LE(0xDFC), U32_TO_U8S_LE(0xDFC), 0, U32_TO_U8S_LE(0x2580), U32_TO_U8S_LE(0x2580), 0, U32_TO_U8S_LE(0xFE), U32_TO_U8S_LE(0), U32_TO_U8S_LE(0), U32_TO_U8S_LE(0x40840), U32_TO_U8S_LE(65544+10), 0xFF, 0xFF, U16_TO_U8S_LE(0x0), 0, 0x1, \
+    54, 0x21, U16_TO_U8S_LE(0x0110), 0, 0x1, U32_TO_U8S_LE(0x01|0x2), U32_TO_U8S_LE(0xDFC), U32_TO_U8S_LE(0xDFC), 0, U32_TO_U8S_LE(0x2580), U32_TO_U8S_LE(0x2580), 0, U32_TO_U8S_LE(0xFE), U32_TO_U8S_LE(0), U32_TO_U8S_LE(0), U32_TO_U8S_LE(0x40840), U32_TO_U8S_LE(65544+10), 0xFF, 0xFF, U16_TO_U8S_LE(0x0), 0, 0x1, \
     7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0, \
     7, TUSB_DESC_ENDPOINT, _epin,  TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0
 #endif
 #define TUD_SMARTCARD_DESCRIPTOR(_itf, _strix, _epout, _epin, _epint, _epsize) \
     9, TUSB_DESC_INTERFACE, _itf, 0, 3, TUSB_CLASS_SMART_CARD, 0, 0, _strix, \
-    54, 0x21, U16_TO_U8S_LE(0x0110), 0, 0x1, U32_TO_U8S_LE(0x2), U32_TO_U8S_LE(0xDFC), U32_TO_U8S_LE(0xDFC), 0, U32_TO_U8S_LE(0x2580), U32_TO_U8S_LE(0x2580), 0, U32_TO_U8S_LE(0xFE), U32_TO_U8S_LE(0), U32_TO_U8S_LE(0), U32_TO_U8S_LE(0x40840), U32_TO_U8S_LE(65544+10), 0xFF, 0xFF, U16_TO_U8S_LE(0x0), 0, 0x1, \
+    54, 0x21, U16_TO_U8S_LE(0x0110), 0, 0x1, U32_TO_U8S_LE(0x01|0x2), U32_TO_U8S_LE(0xDFC), U32_TO_U8S_LE(0xDFC), 0, U32_TO_U8S_LE(0x2580), U32_TO_U8S_LE(0x2580), 0, U32_TO_U8S_LE(0xFE), U32_TO_U8S_LE(0), U32_TO_U8S_LE(0), U32_TO_U8S_LE(0x40840), U32_TO_U8S_LE(65544+10), 0xFF, 0xFF, U16_TO_U8S_LE(0x0), 0, 0x1, \
     7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0, \
     7, TUSB_DESC_ENDPOINT, _epin,  TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0, \
     7, TUSB_DESC_ENDPOINT, _epint,  TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_epsize), 0
@@ -128,9 +128,9 @@ uint8_t const desc_hid_report_kb[] = {
 
 const uint8_t desc_config_nowcid[] = {
 #ifdef USB_ITF_CCID
-    TUD_CONFIG_DESCRIPTOR(1, ITF_TOTAL-1, 4, TUSB_DESC_TOTAL_LEN_NOWCID, USB_CONFIG_ATT_ONE | TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
+    TUD_CONFIG_DESCRIPTOR(1, ITF_TOTAL-1, 4, TUSB_DESC_TOTAL_LEN_NOWCID, USB_CONFIG_ATT_ONE | TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, MAX_USB_POWER),
 #else
-    TUD_CONFIG_DESCRIPTOR(1, ITF_TOTAL, 4, TUSB_DESC_TOTAL_LEN_NOWCID, USB_CONFIG_ATT_ONE | TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
+    TUD_CONFIG_DESCRIPTOR(1, ITF_TOTAL, 4, TUSB_DESC_TOTAL_LEN_NOWCID, USB_CONFIG_ATT_ONE | TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, MAX_USB_POWER),
 #endif
 #ifdef USB_ITF_HID
     TUD_HID_INOUT_DESCRIPTOR(ITF_HID, ITF_HID + 5, HID_ITF_PROTOCOL_NONE, sizeof(desc_hid_report), EPNUM_HID, TUSB_DIR_IN_MASK | EPNUM_HID, CFG_TUD_HID_EP_BUFSIZE, 10),
@@ -142,7 +142,7 @@ const uint8_t desc_config_nowcid[] = {
 };
 
 const uint8_t desc_config[] = {
-    TUD_CONFIG_DESCRIPTOR(1, ITF_TOTAL, 4, TUSB_DESC_TOTAL_LEN, USB_CONFIG_ATT_ONE | TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
+    TUD_CONFIG_DESCRIPTOR(1, ITF_TOTAL, 4, TUSB_DESC_TOTAL_LEN, USB_CONFIG_ATT_ONE | TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, MAX_USB_POWER),
 #ifdef USB_ITF_HID
     TUD_HID_INOUT_DESCRIPTOR(ITF_HID, ITF_HID + 5, HID_ITF_PROTOCOL_NONE, sizeof(desc_hid_report), EPNUM_HID, TUSB_DIR_IN_MASK | EPNUM_HID, CFG_TUD_HID_EP_BUFSIZE, 10),
     TUD_HID_DESCRIPTOR(ITF_KEYBOARD, ITF_KEYBOARD + 5, HID_ITF_PROTOCOL_NONE, sizeof(desc_hid_report_kb), TUSB_DIR_IN_MASK | (EPNUM_HID + 1), 16, 5),