D1 Kids Smart Bracelet 1.85-Inch SOS 4G Children Voice Call SOS Function Phone Watch (1+8G) - Blue

It allows parents to communicate with their children at any time, making it easy to understand their children's situation. 4G smart watch phone with video calling feature, face to face video talk with your child anytime anywhere. It supports SOS, press SOS button for 3 seconds for helping in case of emergency. IP67 waterproof, no worry getting wet when washing hands.

• Extra large 1.85-inch screen
• 900mAh large battery
• Support video call
• Smart Android system
• LBS+GPS+WIFI multiple precise positioning
• Fashionable appearance

Specification:

• System data type: 32 bit
• Main chip model: 8521
• Main frequency: 1.4GHz
• Architecture: Quad-core ARM CortexTM A53 MP processor
• Number of cores: Dual core
• GSM/WCDMA/FDD/TDD:
• GSM: B3 B8
• WCDMA: B1 B8
• TDD: B38 B39 B40 B41
• FDD: B1 B3 B5 B8
• Data rate: 2G rate: GPRS; 3G rate: WCDMA; 4G rate: CAT4
• VOLTE: support
• Video call: support
• GSM call: support
• Memory type (ROM\RAM): NOR
• Memory capacity (RAM+ROM): 1GB+8GB
• LBS base station positioning: support
• Base station positioning accuracy: 100-1000M
• Chip model: Integrated inside the main chip
• GPS signal: L1, 1575.42MHz C/A code
• Number of GPS channels: 22 channels
• GPS chip receiving sensitivity: tracking: -165dBm, capturing: -148dBm
• GPS positioning accuracy: 5-15 meters
• GPS antenna: LDS
• AGPS: Support
• AGPS positioning time: cold start 45 seconds
• WiFi: support
• WiFi chip model: built-in
• WiFi standard: 802.11b/802.11g/802.11n
• WiFi hotspot: Not support
• WiFi data transmission function: Not support
• Fitting method: OGS frame sticker
• Display size: 1.85 inches 240*280
• Screen type: LCD
• Screen manufacturing process: IPS
• Screen size: 1.85 inches
• Chip IC/interface type IC:ST 7789V
• Resolution: 240*280
• Viewing angle: full view
• Touch type: capacitive
• Production process: COB
• Panel shape: 2D
• Panel thickness: 1.1mm
• Anti-fingerprint oil: Yes
• Number of touch points: single point
• Front camera pixels: 0.3MP
• Lens type: CMOS
• Proactive IC: GC030A
• Cell specifications: 603032
• Battery capacity: 900mAh
• Cell type/voltage: Polymer battery 4.35V
• Standby current: 6mA
• Theoretical standby time: 100h
• Charging current: 300mA
• Charging time: 2.5h
• Appearance size: 243-42-16mm
• Power button: physical button/compatible with SOS function