Product Name: Lemfo Lem11 4G Smart Phone Support Ios Android 7.1 3GB 32GB Video Call 1200mAh Power Bank with Portable Wireless Bluetooth Speaker Smartwatch Multi Sports Mode Model NO.: LEM11 Feature: 3G, WiFi, Bluetooth, Water Resistant, 4G&Sports&Live Material: Silicone Usage: Detection, Communication, Life&Sports&Others Display: TFT LCD Display: 1.54 Inch GPS: Yes CPU Model: Mt6739 Camera: 2MP Network Mode: 4G Watch Battery: 600mAh Ploymer Li-Battery Power Bank Battery: 1200 mAh System: Android Ios Type: on Wrist Waterproof Grade: Life Waterproof Compatibility: All Compatible Movement Type: Electric ROM+RAM: 1g+16g/3G+32g Battery Detachable: No Touch: Capative Touch Screen Trademark: LEMFO Transport Package: 17cm*16cm*30cm Specification: Case Material: Alloy Origin: China Product Description Features:Consist of : Smart watch + 1200 mAhPower bank (withwireless bluetooth speaker)Can charging for the watch by usingpower bank, free-worrying if it's out of batteryCPU: MT6739 quad coreStorage Space:DDR3 1GB, EMMC: 16GB / DDR3 3GB, EMMC: 32GBoptional SIM Card:Nano SIMSupported frequency bands: GSM: 850 / 900 / 1800 / 1900 WCDMA: B1/B2/B5 TD-SCDMA: B34/B39LTE-FDD:B1/B2/B3/B5/B7/B12/B20 LTE-TDD:B38/B39/B40/B41(100MHz)Touch screen:1.54 inch TFT color screenScreen resolution: 320*320Camera:2MPBattery:Smart watch 600mAh / Power Bank1200mAhStandby time:Smart watch: 40 hours / Put in portable Power bank: 90 hoursPlay music:Smart watch for 6 hours / Put in portable wireless bluetooth speaker for 7 hoursCall time:Smart watch for 3 hours / put in portable charging power bank for 4 hoursSoftware function:Operating system:Android 7.1.1Menu: Contacts, phone, information, settings, browser, download, calendar, clock, camera, gallery, music, recorder, file management, Heart rate monitoring, sports, weather, voice search, Play Store, Maps, Mobile Assistant, APP Market, System Optimization, etc. Sport:Outdoor running, outdoor walking, indoor running, cycling, playing basketball, playing football, playing table tennis, playing badminton, skipping ropeSettings: Sound, display, main menu style, connection, gestures, power save mode, language input method, date and time, reset device, uninstall application, about watchLanguage:Indonesia, German, English, Spanish, French, Italian, Polish, Portuguese (Brazil), Portuguese, Vietnamese, Turkish, Russian, Hebrew, Arabic, Persian, Hindi, Bangladeshi, Thai, Burmese, Korean, Chinese ( Simplified), Chinese (Traditional), JapaneseWiiwatch2 APPAndroid phone:Support original operating system 6.0 and above, (settings - about device, view android version)iPhone:Support for system versions of 11.0 and above. Can be set by phone -- General -- about this machine, check the version, if you are lower than 11.0 version, please upgrade first.