Primary Function: GSM Two-Mode Audio Device Materials: Molded Plastic Color: Black Freeshipping,Triband Sound Activated Ashtry Ear Bug With Call Back/GSM Voice bugProduct descriptions:Specification :Primary Function: GSM Two-Mode Audio DeviceMaterials: Molded PlasticColor: BlackGSM Frequency Compatibility: Quadband ( 900MHz, 1800MHz,1900MHZ)Onboard Buttons/Slots:- USB Input- LED Light- LED Light ...