Product Name:DIGITAL AUDIO PLAYER Model No.:MICRO-PLAY ONE -119B Operating Voltage:DC 5V File System:FAT32 Support Format:MP3/WMA/WAV/APE/FLAC USB:Yes, Up To 64GB SD:Yes, Up To 64GB FM:No AUX:Yes BT:Yes Optical:Yes Record:Yes, MP3 Format 48KHZ, Stereo,128KBPS Folder:Yes Remote:Yes,REMOVABLE LED Display:No Segment LCD:No Dot Matrix LCD:YES,128*64 DOTS (31 x 20MM) Song Name/List Display:Yes Logo Display:Yes Firmware Upgrade:Yes Plastic Panel:Yes Size:L115 x W94 x H39 MM Output Level:About 800mV When it is in recording, the RCA doesn't have audio output in the same time!!! Specifications: Yellow screen / Blue screen Color: Black Material: plastic Package Contents: 1set * Audio Decoding Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.