Bluetooth FM Transmitter for Car, 4.1 Car Kit 5V 4.1A Dual USB Charger Phone MP3 Audio Player Handsfree Calling Electronics Voice Reminder

SMART BLUETOOTH 4.1 CHIP -- The combination of dual-mode Bluetooth 4.1 chip and ICC ceramic antenna, integrated MCU + DSP dual-core processor and 24-bit audio encoder, compatible with Android and IOS systems, background noise reduction processing, make car music, mobile phone calls more clear and shocking 4.1A DUAL USB SMART FAST CHARGE -- Dual USB ports can charge at the same time, up to 4.1A, mobile phone and tablet can charge at the same time MULTIPLE MUSIC PLAYING MODE -- Bluetooth connection allows wireless streaming of music from portable devices. SD card slot for playing music or audio books from SD memory cards; USB port with music icon for flash drives and music playback in MP3 and WMA formats VOICE REMINDER -- Turn on the voice reminder function, MP3, various states of the car at a glance SPLENDID DESIGN -- FM transmitter blends in any car interior perfectly and won't take much space. Large knob ensures easy operation and keeps you from having to take your eyes off the road to change songs/volume/answer or reject calls etc