Applicable for all the GSM (900-1800HZ) mobile phones with inner

antenna such as Nokia 8250 and 7210, no battery needed. When the mobile

phone is receiving or sending signals the LEDs inside the product

sticked on the back of the mobile phone will flash continuously. The

product can give you a reminder even if the alarm of the mobile phone

is shut down. What’s more this product can reduce the radiation of the

mobile phone to human’s brain. Customer required Logo can be imprinted

on the product or its packing card. What a wonderful design! And what a

wonderful gift to your friends! Many LED colors for you to choose: red,

yellow, green, blue and white.