N9 2 Mic Automatic Monitoring Listening Devices In Acoustic-

This product is small in size and easy to carry. It will not be a burden for the elderly or children, and will always protect their safety. It will dial your telephone number or mobile number if there is voice higher than 45bD in 4 meters.

Features:

Excellent stand by and working time.

Prominent sound quality makes it more reliable.

Built in 2 mic, can be heard clearly.

Automatic monitoring function: as long as it exceeds 45 decibels in 4 meters, it will automatically call back.

Super mini size, easy for carrying.

Specifications:

Card compatible: GSM / SIM

Microphone Range (meter): 5-7 Radius

Receive sensitivity: about 10K GPRS

Working temp: -40 to 50℃

Responding frequency: 1.2K-800Khz

Stand-by time: 3-5 days (without voice control), 10-15 days (without voice control)

Work frequency: 850MHz, 900MHz, 1800MHz, 1900MHz (please check if it can work with your local system format before purchasing)

Battery: 1 * 3.7V, 300mAh Li-ion battery

Item size: 35 * 20 * 14mm / 1.4 * 0.8 * 0.6in

Item weight: 25g / 0.9ounce

Package size: 60 * 60 * 30mm / 2.4 * 2.4 * 1.2in

Package weight: 28g / 1.0ounce

Package list:

1 * Voice System

1 * USB Cable

1 * User Manual