... Bluetooth Optional, Support many Languages, Supoort the map of IGO, Route 66; Auto Backlight adjustment, Display Screen: 4.3'' TFT Touch ... Auto Backlight adjustment Function Features: Voice Guide: YES Choice of Route setup: Faster time, shorter distance, off road Audio Play: WMA9 ... Language more than 20 languages Voice Guide yes Choice of Route setup Faster time,shorter distance,off road Audio Play ...