This is combo of Tablet with keyboard which enhaces the utility of the tablet.N4:4G tablet Hard platform: MTK8735 quad-core 1.0Ghz Memory: 1G+8GBOS: Android 6.0MS mode:4G/3G WCDMA/2G GSMFrquency band: WCDMA 2100/ (HSDPA) and GSM 850/900/1800/1900 and 4Gsim card: DOUBLE SIMDisplay: 7 inch 1024*600 TN Camera: 2.0+5.0MP Video screen: Video records with soundWireless transmission: V2.1+EDR/V4.0LEModem features: Wireless AP ( Mobile AP )Light sensor: SupportGravity Sensor: SupportSupports: Bluetooth, FM , Java Wxpand, Music/video, WAP Browser, Hand-writing, Multilingual,T-flash card: Support micro SD（T-Flash）32GBattery parameter: Standard battery content: 3000mahSMS/Color message: SupportHeadphone jack: 3.5MM standard interface (NOKIA General)Charging port: mini usb 5pin interface (SAMSUNG General) Good speaker GOOD accessaries