Product Description 1.With Original minion sound when turn the unit on. 2.Support play music directly from USB flash drive, Micro SD card. 3.Worldwide FM radio scanning. 4.Built-in lithium battery. 5.Aux. Connect to share music with Mobile, MP3, Computer, Tablet, etc. Product Feature 1) Support micro SD card and USB flash drive plugging music playing. 2) With FM radio function. 3) Built-in rechargeable high capacity lithium battery. 4) MINI/5Pins USB integrates charge and audio input together. 5) With 1 pieces strong magnetic 13-Cells vibration hi-fi loudspeaker of 3W, 4Ohms, 40MM in diameter. 6) Built-in low consumption and tiny distortion rated digital 3W amplifier. 7) Universal 3.5mm earphone output jack. 8) Multi-functional Knob button: MODE (FM/TF/USB/LINE IN), VOL-/PREV, VOL+/NEXT, PLAY/PAUSE. 9) Novel minion shape design. Product Specification/Models Input 5V Output 3.7V Output Power 3W Loudspeaker 1pcs, 3W, 4Ohms,40MM, 13 cells Audio format MP3 Max input capacity 32G FM 87.5-108MHz Response 150Hz-18KHz Battery Li-ion battery Charge Time 2Hours Play Time 2-3 hours Application Micro SD card, USB flash Drive, Computer, Mobile, MP3, Tablet, Other multimedia player. Other Information Accessories: Charging Cable; Aux line. Packing Details: Gift Box / Unit; 100 Units / Master carton. Warranty: 1 year.