About this item Exceptional Features: - 1) Power On Memory ensures the Device Automatically connects to the Last Paired Bluetooth Device and Automatically Resumes Music Track from the last playing position in U Disk Mode when Powered On. 2) Car Battery Voltage Monitor Alerts when abnormal voltage is detected to ensure Safer Driving. 3) Incoming Call Number Announcement & Display Lightning Fast Dual USB Car Charger: - Supports Fast Charging using Quick Charge 3.0 which is 4x faster than Conventional Chargers & 38% More Efficient than QC 2.0. Dual USB (QC3.0 + 5V/1A) supports charging two devices simultaneously CVC Noise/Echo Cancellation The FM transmitter will greatly reduce noise and echo when you are calling or-APPRECIATING MUSIC HANDS FREE FUNCTION : Built-in Microphone,Switch to Hands-free mode automatically from music playing status when receiving calls.Answer/Reject/Hand up/Recall all in one keypad. Wide Compatibility: - Works with iPhone, iPod, Android, Blackberry, Windows Phones, Tablets, MP3 Players and more Bluetooth enabled devices. Supports USB Disk (up to 32GB) for playing MP3/WMA/FLAC and more formats.