LEMFO Z20 Smart Watch Man Android 9 LTE 4G IP68 Waterproof 4G RAM

CPU Model : SC9832+NRF52832 Band Detachable : Yes APP Download Available : Yes Battery Detachable : No CPU Manufacturer : Mediatek Resolution : 320*385 Display Size : 1.75 inch Movement Type : Electronic Style : Fashion Application Age Group : Adult Screen Shape : Square Case Material : Ceramic Band Material : Silica gel Waterproof Grade : Professional Waterproof SIM Card Available : Yes Mechanism : No Multiple Dials : Yes GPS : Yes Network Mode : 4G Battery Capacity : gt;450mAh Rear Camera : None RAM : 4GB ROM : 32 GB System : Android OS Type : On Wrist Compatibility : All Compatible Language : English,Russian,Spanish,Portuguese,Italian,French,German,Korean,Japanese,Dutch,Arabic,Greek Function : Passometer,fitness tracker,sleep tracker,Message Reminder,Call Reminder,Answer Call,Dial Call,Push Message,24 hour instruction,Alarm Clock,week,Month,Heart Rate Tracker,Intere Music,Calendar,Countdown,Calculators Brand Name : LEMFO Origin : Mainland China Certification : CE Specification information: * Memory: 4G+128G storage, Large storage space for 4G Android watch now, fast read speed support you download more apps and file * OS: Android 9 The 9 Android system, fast processing speed, you can download more applications as you like * Bands Supported: 4G SIM card: TDD LTE:B38(2600MHZ),B39(1900)B40(2300)B41(2500) FDD LTE:B1(2100)B2(1900)B3(1800)B5(850)B7(2600)B8(900)B12(700)B17(700)B20(800) 3G SIM card: WCDMA:B1(2100)B5(850)B2(1900) 2G SIM card: GSM:B2(1900),B3(1800)B5(850)B8(900) You need to use a sim card that matches the bands so you can enjoy the convenience of wireless networking * Connection:WIFI,GPS, GSM, Bluetooth * GPS: GPS supp