diff --git a/PiSugar1.md b/PiSugar1.md
index a258a6f..a90a458 100644
--- a/PiSugar1.md
+++ b/PiSugar1.md
@@ -6,9 +6,11 @@ PiSugar 1 is our first product which aims to create an easiest way to power a Pi
 
 ![PiSugar Demo](https://raw.githubusercontent.com/JdaieLin/PiSugar/master/demo.gif)
 
-## SPECS
+## Hardware SPECS
 
-PowerIC: Injoice IP5306 (without i2c)
+* PowerIC: Injoice IP5306 (without i2c)
+* MicroUSB: charging port
+* Power switch: one/double tap (on/off)
 
 ## Features