1.When you use the Action Camera APP to control your mobile phone to shoot videos, the audio format of video will be WAV.
And please note if you use Android phone to playback videos in the APP, there's no sound. But when you transfer the video file to your computer, it has sound, and there's no such problem to iPhone user.
2. Please format SD card before using your camcorder, SD card is not include. Camcorder
Image sensor: CMOS 8MP sensor?Max. 24MP?interpolation?
Storage: SD/HCSD card up to 64GB(Exclude)
Light sensitivity: Auto/IOS100/ISO200/ISO400/ISO800/ISO1600/ISO3200
Focal distance: 3.3ft?+?
Photo fomat/size: Format:JPEG Resolution:VGA,1.2M,2M,3M,5M,8M,12M,14M,20M,24M?interpolation)
Video format/size: Format?MOV Resolution?FHD_1920X1080?30FPS)?HD_1280x720(120/60/30FPS)? VGA_640×480 (30FPS)
Digital zoom: 16X digital zoom
External Mic: Support
Remote control: Support
IR Infrared light: ?1.0mRange Photo?On/Off Recording?On/Off
White balance: Auto/Daylight/Cloudy/Tungsten/Fluorescent(H)/Fluorescent(L)
Explosure compensation: -2.0EV?+2.0EV
Computer interface: Camera?USB2.0?high speed? Disk?USB2.0?high speed?
Power saving mode: Off/30 seconds /1 minutes /2 minutes /3 minutes /5 minutes
LCD Screen:3.0" HD Touch Screen
External Lens: 1.46"(37MM) Standard mount, external UV mirror, wide-angle lens or extender(Not included,need to buy extra) Power supply: Li-ion battery: NP-40
Weight: Approx10.05±0.18oz (battery excluded? Package Included:
Video camera x 1
Microphone x 1
Lens cover x1
NP-40 Lithium battery x1
HDMI cable x 1
USB cable x1
Camera bag x 1
User manual x1