... Speaker 4. Lowest price Different Color Large Wholesale mp3 player with built in speaker - mp3 mini speaker - mp3 speaker Model: MTP13 ... AMV video format- Built-in Flash Memory: 2GB/4GB/8GB (optional )- Built-in Stereo Louder Speaker- Support FM radio- Built-in Micro SD card slot ... Functioning Test: Outlook, Calibrate screen, Keyboard, Wifi, WLAN, Camera, all Card Slot and USB Slot, G-Sensor, Bluetooth, ...