... dv function;2, built-in speaker; 3, support tf card; 4, Built-in 3D surround stereo speaker 3 ... AVI, RM/RMVB*. Picture: JPEG , BMP,GIF *. Built-in FM (75-108kHz), FM Recording Functionality, SNR: 85dB *. ... : TF SD card ( up to 2GB )*. Built-in Voice Recorder, Speaker and Microphone, A-B replay function ... support, Record: WAV *. Built-in lithium battery, capacity: 3.7V 600mA Polymer li ...