Police Security Ear Hook Style Mini DVR Camera and Cap Clip With 2.5" TFT ... ,15fps)AudioBuilt in MicrophoneLCD2.5 Inch TFT LCDInterfaceAV Terminal Mini jack (φ=2.5mm )USB 2.0 BatteryHigh Capacity Lithium ... law enforcement, sport etc usingFull Set Includes Ear Hook camera, DVR recorder, 2GB Micro SD card, Power Adaptor, AV cable ... , Weight: 0.8KG Police Security Ear Hook Style Mini DVR Camera and Cap Clip