Retro handset phone is made of ABS, with size 9.33″*3.35″*2.36″, which is combined with On/off function;VOL Control button.Features: * Unique Retro Telephone Handset design, Fashion and Stylish.* 3.5mm audio input can de adapted to most phones and laptops.* Avoid Mobile phone electromagnetic waves and reduce 99% of the radiation damage.* High quality sound performance and voice transmission.* Rubber and Matte Style make you feel more comfortable.* Good for family use and also office use.* Answer the phone and adjust the volume directly by the retro handset.* Colors & logos are able to be made absolutely.