Connection
usb, SD Card, TF Card, 3G/4G Sim Card, Built-in WiFi, BT, blue tooth
Combination
Built-in GPS, MP3 / MP4 Players, Radio Tuner, Touch Screen, TV, Other, DVR, FM Transmitter, Backup camera, AUX Port, HDMI In/Out, Reversing Aid, BT, Blue tooth-Enabled