Voice control callback setting:
1. Phone settings: Use a fixed phone or mobile phone to get through the SIM card in the device, and hear the surrounding sound for more than 3 seconds. Hang up and the setting is successful.
2. SMS settings: Edit “1111” with your mobile phone and send it to the SIM card in the device, and the voice control function will be turned on; If you send “0000” to the device, the sound control will be turned off.
Precautions:
1. Recommend to charge the device battery to full for the the best effect;
2. Don’ t install it in a place where there is no signal or the signal is weak, which will affect the use effect;
3. If the light is not on, it means the battery is out of power. Please charge the device and then use.
4. Re- insert the card to turn on or recharge if you couldn’ t get through.
5. If it doesn’ t answer automatically, re- insert the card and turn it on.
6. CARD IS NOT INCLDUED IN THE PACKAGE.
Specification:
Item Name: GSM Listening Device
Network Type: GSM/ GPRS
Frequency: 850/ 900/ 1800/ 1900Mhz
Built- in Battery: 3. 7V 400mAh Li- ion Battery
Standby Time: 12- 15 Days
Material: Plastic
Color: Black
Product Size: Approx. 40x30x12mm
Package Including
Package Including:
1 x GSM Listening Device
1 x Charging Cable
1 x User Manual