J-DEAL&reg; Bluetooth Wireless In-Car Hands-free Calling FM Transmitter with USB Charging The J-DEAL FM Transmitter equipped with On-Board Volume, Play Settings, & Phone Controls. Works for Apple , Samsung , HTC , LG , Sony , Motorola , Nokia , ASUS , Microsoft & More Smartphones , Tablets & MP3 Players! A built-in microphone with enhanced voice detection makes hands-free calls easy - plug-in, sync your phone, and you're ready to talk! The compact design and flexible neck ensure an ideal fit in nearly any vehicle, while a universal USB charge port lets you power up your device while talking or streaming music! TECH SPECS - Bluetooth Version: V2.1 / Bluetooth Profiles: HSP, HFP, A2DP, & AVRCP / Frequency Range: 88.1 - 107.9 MHz / Input: DC 12V (Vehicle Power) / USB Output: 5V 1A max Features a high-contrast, easily-read display and prominent button controls