... 1.2W speaker, and the volume is adjustableWith both button and touch screenBuilt-in high sensitive MT3328 GPS module ,Window CE ... lighter to charge the machineDouble displaying system can support both LCD and CVBS outputVideo playing format: ASF, AVI, mp4, WMVAudio ... charge condition, when charge the yellow light will on, and turn green when well chargedLCD brightness is adjustableSupport 8 Language ...