Q66 Heart Pendant Smart HD Noise Reduction Voice Control Recording Pen, Capacity:64GB Filter-RF Signal Detector and supports multi-format playback such

and supports multi-format playback such as MP3/WMA/APE/FLA/OGG/AAC/AAX/M4A

which can be attached to the blackboard

pinhole camera

7V 600 mA lithium battery

1 x USB Cable

Q66 Heart Pendant Smart HD Noise Reduction Voice Control Recording Pen, Capacity:64GB Filter-RF Signal Detector and supports multi-format playback such1. It is both a pendant and a voice recorder 2. One key recording, easy to operate 3. Professional audio noise reduction chip low power amplifier, restore real and clear sound 4. Intelligent voice activated recording, effectively saving memory space and battery capacity 5. Connect the computer to synchronize Beijing time, which is convenient to record the file generation time and end time 6. After the recording file is encrypted, it can effectively