... card.7). Support OTG, 2.0 hi-speed USB interface8). Support connection monitor recorded TV-content9). ... -4, AVI, ASF, ADPCM Audio Play Format: Support MP3, MP2.5 Photo format: JPG, JPEG, TIF, TIFF ... audio channel,video input,battery voltage outputUSB interface:USB 2.0Power adapter and othersBattery:Rechargeable Li ... mini button camera: 2.4GHz 8CH usb wireless mini dvr receiver with mini hidden camera