K22 Children Smart Watch 4G WiFi GPS Tracker SOS Call Watch Phone (Blue)
Function:<br>1. GPS positioning, AGPS, LBS base station positioning, software remote upgrade, gravity sensor, anti-disassembly alarm.<br>2. WIFI indoor precise positioning, ultra power saving technology, low power management, online location query, route trajectory query playback.<br>3. Flashlight, remote monitoring, video calls, remote photography, SOS rescue, etc.<br><br>Specification:<br>Main Chip: 9820E<br>Memory: 2Gb + 4Gb<br>GPS Chip: Internal Integration of Main Chip<br>GPRS: Support<br>GPS signal: L1,1575.42MHz C/A code<br>Number of GPS Channels: 22 Channels<br>AGPS fast positioning time: 26 seconds cold start<br>Receiving Sensitivity of GPS Chip: Tracking: -165dBm, Capturing: -148dBm<br>GPS positioning accuracy: 5-15m<br>Base station positioning accuracy: 100m-1000m<br>GPS Antenna: LDS<br>Display screen: IPS full view 1.4 inch LCD 240x240<br>TP: Capacitive (COF)<br>Camera: Front Camera, 0.3MP<br>Average standby current: less than 10 mA<br>Average operating current: about 55 mA<br>Working temperature: -20~70℃<br>Working humidity: 5%-95% non-solidification<br>FDD: Band 13578 <br>TDD: Band38394041(100M)<br>WCDMA: Band 1258 <br>GSM: Band 2358<br>Audio format: AAC AMR WMA MP3 MIDI, etc.<br>Video format: H.264 MP4 H.263 3GP MPEG4, etc.<br>Video format: MP4<br>Picture support: JPG PNG and other formats<br>E-BOOK format: TXT<br>Recording format: AMR<br>SIM Card: Single Card<br>Bluetooth version: BT4.2 support<br>Charging: magnetic suction<br>Packaging size: 190*34*30mm/7.48*1.33*1.18<br>Color: Blue<br><br>Note: <br>Please allow 1-3mm differs due to manual measurement.<br>Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.