Revesun F30 FM Transmitter 3.5mm Audio Micro USB with Car Charger Adapter for Samsung Galaxy S5 / Galaxy S 4 / Galaxy S3 , HTC One/ HTC M8,Blackberry, Z10 Z30 / SONY Z3 Z2 a6000 smart phone Wireless audio transmission Line-out 3.5mm. Full frequency range design effectively avoids interruption. Provides hands-free conversations through your car speakers. Built-in lithium battery (Includes car charger).