DDLC Mini A8 Audio Recorder Built-in Rechargeable Battery Portable for Home Office NA Voice Recorder  (0 inch Display)

DDLC Make a call to the microphone and you can instantly listen all conversations, The built-in microphone works up to a 25 to 30 meter radius. Allows the wireless microphone to call you when it hears people talking, This feature makes it much more advanced than other GSM audio on the market today Hot spots: Audio Recorder with Auto Dialing option, Tri-Band GSM. Product Notes: When it detects sound, the microphone will call to your cell phone, You can charge the audio device by connecting the USB charger cable to the power charger and the battery backup is awesome only charge 2 hours maximum and use this microphone upto 4 to 5 days. Please charge 50 minutes before use Jio sim is not working in this device and it runs on 2g service