The 1200mAh LiPo rechargeable battery pack lasts 2 weeks on standby, 2 days recording sound only and 12 hours listening. Please note: This no longer functions as a working calculator. Miniature portable pocket sized calculator. Battery 12-14 days standby / 12 hours use. Tracker / Locater using GPRS.
GSM 850/900/1800/1900 GSM network & GPRS. Charge power: DC 5V / 1A. The item "HIDDEN SPY SOUND RECORDER GSM LISTENING DEVICE & TRACKER IN DUMMY CALCULATOR" is in sale since Wednesday, April 25, 2018. This item is in the category "Home, Furniture & DIY\Security & Home Automation\Surveillance".The seller is "micronic007" and is located in Winchester. This item can be shipped worldwide.