This 4G smart watch is a perfect smart assistant which provides you with a smarter and healthier by offering multiple functions for you. Features: Support Nano SIM : enjoy the ultimate without taking your phone, whether you are travelling or going for outdoor activities, your watch keeps you connected. 2 Working Modes: insert SIM then it can work as a real smart phone, or download "HEBSWatch" APP and connect this smart watch to your smart phone via BT. Dual & Video Recording: 5MP front and 13MP side , clear and free and video recording, and you can conveniently view photos and videos in smart watch. Call, Message & Notification Reminder: check contacts, make calls, receive/ reject incoming calls, receive messages, and notifications of APP, this watch will never let you miss any important thing. Heart Rate Monitoring: monitors your real-time heart rate and records historical data. This smart watch cares for your health and let you understand your physical condition and enjoy a healthier life. Sports Watch: built-in motion sensor to monitor your exercise status in real time, supports multiple sports, accurately records all-day activities like active time, , distance, calories burned and heart rate. Strong Battery Life: 1850mAh high-capacity battery to reduce the trouble of charging frequently. And with a magnetic USB charging cable, you can recharge your watch anytime and anywhere. Living Waterproof: suitable for daily life use such as washing face, washing hands, being caught in the rain, etc. Not for swimming and taking hot bath or hot sauna. Various Dials: diverse dials for option, supports static and dynamic dials, satisfies daily life, business, sports needs, applicable to various scenes. Parameters: RAM+ROM: 4GB+64GB Brand & Model: LOKMAT APPLLP MAX CPU: MT6761 SIM : Support Nano SIM (Not Included) : Front (5MP), Side (13MP) OS: Android 9.0 Frequency Band: GSM: 85090018001900 WCDMA: B1B2B5B8 TD-SCDMA: B34B39 LTE-FDD: B1B2B3B5B7B8B12B17B20 LTE-TDD: B38B39B40B41(100MHz) Internt: 2G3G4G Screen: 2.88-inch TFT Full Touch Color Screen Resolution: 480*640 : 2.4GHz/ : +Go BT: 5.0 BT Effective Distance: ＞10m (open environment) Heart Rate Sensor: HSR3300 Compatibility: Compatible with Android 6.0/ iOS 11.0 and above Battery: 1 * 3.7V 1850mAh Polymer Lithium Battery APP: HEBSWatch Language: Multi-Language Main Functions: Contacts, Dial Pad, Call logs, Message, Browser, Calendar, Alarm , , Video Recording, Gallery, Music, Sound Recorder, File Manager, Heart Rate Monitor, Multi-Sport Mode, Weather, APP Store, Map, Calculator, Timer, Stopwatch, Adjustable Brightness/ , Multiple Dials, etc Specifications: Color: Black/ Silver/ Champagne Gold (Optional) Watch Case: Aluminum Alloy Watch Band: Silicone Waterproof: Living Waterproof Dial Size: 77.2 * 53.6 * 15mm / 3.04 * 2.11 * 5.91in Watch Band Width: 32mm / 1.25in Perimeter: 275mm / 10.83in Watch Weight: 131g / 4.6oz Package Size: 10.5 * 10.5 * 8cm / 4.14 * 4.14 * 3.15in Package Weight: 306g / 10.8oz Note: 1. Don't press any button in the water, and don't put it under water for a long time. Don't put it into hot water. 2. Size and color may be slightly different beacuse of manual measurement and different conditions or moniter setting, please in kind prevail. Thanks! 3. Interface may be slightly different due to the system update, please in kind prevail. Thank you. Package List: 1 * Smart Watch 1 * USB Magnetic Charging Cable 1 * Scre