Made of environmental non-toxic sturdy and durable ABS plastic
SIZE: 8.5" x 2.5" x 2" (21.5cm x 6.3cm x 5cm)
Easy to use, just plug into the handset fully. , reduce radiation absorption.
Fits ONLY mobile phones with 3.5mm Round Socket. NOTE: iPhone 7 / 7+ and later need using a 3.5mm Audio Adapter ( PLEASE ensure adapter MUST support calling function)
Description
Compatible: iphone 4/5/6 with 3.5mm socket, Android phone with 3.5mm socket.
Need a adapter(MUST support calling function): iphone 7/7+ and later model, Android phone without 3.5mm socket.
Note: Red light is just only a decoration.
Some Android phone need to adjust the volume on cellphone for volume control.