Support MP3, WMA, WMV, ASF, WAV USB 2.0 transference as USB disk function Support TF/MicroSDcard: 512MB/1GB/2GB/4GB/Max. 8GB Video Recording About: 28 Minutes About 56 Minutes About 105 Minutes About 200 Minutes Photo images format: JPEG 1280*960 Video recording format: AVI 640*480 25 frame/seconds. Video recording: 1GB/about 50 minutes Earphone output power: >5mW Communication standards Full Speed: USB 2.0 Charging voltageDC-5V Lithium battery: 270mAH Weight: 150g. Dimension:43mm*26mm*7.8mm 1pcs/gift box, 150pcs/carton Carton size:50*35*32 N/W:14KG G/W:15KG.