Sell SOS Tracker Children Lost Monitor GPS Kid Tracker Q50 OLED X72J best price

Battery Capacity: 300-450mAh Waterproof Grade::Life Waterproof Band Detachable::Yes Screen Size::1.22 inch SIM Card Available::Yes GPS::Yes Function::Dial Call,Remote Control,Answer Call Battery Detachable::Yes Resolution::128x64 Mechanism::No RAM::<128MB Compatibility::All Compatible System::None Movement Type::Electronic Application Age Group::Child APP Download Available::Yes Brand Name::hold mi Multiple Dials::No ROM: 128MB Case Material: Plastic Features: * GPS + Base Station ---only the GPS Version have thoses functions * Mobile phone client or PC GPRS service platform, dual control---only the GPS Version have thoses functions * GPRS real-time locating, tacking and monitoring ---only the GPS Version have thoses functions * Intercom * Health * Footprints * Alarm clock * Security zone * SOS emergency alarm * "watch removed" alarm--only the GPS version has this function. * " low power" alarm * Remote shutdown GSM: 850 / 900 / 1800 / 1900 MHz GPS: MTK6261 UBX7020 GPRS: Class 12, TCP IP build in GSm module Battery Capacity: 3.7V 400mAh Support. Language: English or Russian language for your choose LBS Version: LBS+LCD Screen GPS Version: GPS+LBS+LCD Screen + Light sense High Version: GPS+LBS+ OLED Screen + Light sense How to Use: 1. Aboutthe register of the watch, how to download APP? Scan the QR code on the last page of the manual, two options(depending on your option) 2. The difference of the language of the watch and APP, how to set the language? a APP, choosing on the login interface b watch,when you register and login successfully,set the language in the APP 3. When the watch cannot identify the SIM card, and there is no sound in the calling a Please take some videos of operation of inserting the SIM card b In the calling, there is a prompt of sound lower or higher on the display c There is no sound, please make sure the watch cannot hear or the phone cannot hear 4. How to inquire the parameter of the watch a. there is signal after inserting SIM card, use your phone to send message to the tel number of watch,text: pw,123456,ts# b if there is no response, please check your SIM card has message function and restart your watch to text again. 5. How to store contacts? Please turn on the contacts of your app,setting to store contacts to store and the watch will show the contacts. 6. What is about the location, how many locations does it have? How to solve the problem of inaccurate positioning a there is two location: 1 LBS, 2 GPS b. the position is according to the signal and the range of the base station. 7. What kind of SIM card is suitable for the watch? a. Micro SIM card b. The SIM card is 2G and the 4G,3G all compatible 8. There is SIM card, but the watch has no network and cannot connect with the phone a. Pleas tell us the SIM card provider b. How about the flow of the SIM card c. Please text pw,123456,ts to inquire the parameter of the watch