... DVR WCDMA/HSPA smart design Wireless Body Worn Camera 3G mini DVSSpecification1.3G video & audio scene collection ,Real-time transmission,H264 ... support for video files. 9USBOne USB interface,Support PC communication configurations,USB copy,delete videos and photos,support for ... preview,photo,palyback icon,playback photo icon status,support 3G/2.5G singaling indicator,support the six signal strength ...