For sale: watch that works with SIM card, Wi-Fi, or Bluetooth. Compatible with all mobile phones. Brand Name: LEMFO Place of Origin: China Screen Resolution: 480*640 Screen: 2.0-2.9" Color Display: Black Features: Wi-Fi, GPS, Touchscreen, 4G, App Control, IP68 Waterproof, Kids Operating System: Android, iOS Camera: 3 - 7MP Design: Rotatable Movement Type: Electronic Band Material: Silica Gel Case Material: Alloy Function: Compass, Calendar, Alarm Clock, Week, Month, Countdown, Sleep Tracker, Fitness Tracker, Calculators, Call Reminder, Phone Call, Push Message, Message Reminder, Phone Call, Heart Rate Tracker, Interactive Music, 24 Hour Instruction, GPS Navigation, Payment Keywords: Smart Watch 2022 Waterproof: IP 68 Type: Smart Screen Size: 2.8 inches Name: Smart Bracelet Band Model: Hot New Certificate: ECE ROM + RAM: 3 + 32 GB CPU: Mtk6739