cable: suitable for ipod ,GPS, mobile phones etc. Built-in 550mAh battery Charge synchronization function Date transmission Cable description: The date line outputs 5V1A Ipod accessories Suitable for ipod, GPS, mobile phone, MP3 /MP4 ect. Built-in 550mAh battery Charge synchronization fuction Unique design Balck and white colors for your choose Packing : Gife box packing