Fuvision Hidden Camera DVR 1080P FHD Hidden Camera Wireless Functional Mini Bluetooth Headset Hidden Camera Free 8GB Memory Included Long Battery Operating Life Functional bluetooth earphone headset hidden camera with 1080P FHD DVR- All-in-One video surveillance system inside an ordinary looking and fully functional bluetooth earphone headset Full high definition 1080P video recording resolution for clear and crystal video images With 8GB memory built-in for hours video recording and when sd card is full, it will auto delete old file and store new files, no worry about capacity. Up to 120 minutes video recording battery life per single battery charge and hours of standby time for bluetooth headset