Incoming Call Flash function: push the switch to cover the flashlight of your phone, then set a LED flashing reminding on your phone; if your phone is under lock screen state, when you get calls, SMS, or MMS, the case will flicker to alert.
Soft and flexible TPU case
Unique light flashing when receiving calls, SMS or MMS
Transparent case obtains the natural beauty of your device
Easy to set up, no battery required