Standby time: 2-3 days (10-12 days if acoustic alarm function off). Power supply: 24 hours non-stop. Dimension: 4 x 3 x 1.2cm(L x W x H).
Sim card into the deck will automatically boot. Boot light is 3 seconds.After the lights go off you can dial the sim card number. Number of settings: call the sim card numer with mobilephone or telephone, hang up then setting success.
Voice feature: Send 1111 message to the sim card number then voice cotrolling is open;Send 0000 message to the sim card number then voice controlling is closed. The flash of red light indicates the SIM card is correctly inserted. SIM will completed initialization and maintain in stand-by status and the light will be off and it is ready to go. Dial the SIM card number, you could hear the sound around the SIM card.
Charging method: When the device is fully charged up, only Red LED lights ON. The Green LED light will OFF. The item "Quadband GSM Voice Activate Device Sim Card Spy Ear Bug Listening Gadgets US" is in sale since Wednesday, August 29, 2018. This item is in the category "Consumer Electronics\Other Consumer Electronics".The seller is "megjxp88" and is located in Bell, California. This item can be shipped to United States.