DOOGEE T40 Pro Tablet 12" IPS 2.4K 20GB(8+12) 512GB Helio G99 10800mAh Large Battery Quad Speaker 7.6mm ultra-thin Smart PadDOOGEE T40 ProT40 Pro TabletHelio G99 octa-coreDisplay12" IPS 2.4K DisplayRear Camera16 MPFront Camera8 MPRAM & ROM20GB RAM (8GB+Up to 12GB Extended RAM)+512GB ROM,LPDDR4X / UFSMax TF Card Capacity2TBBattery capacity10800mAh Battery & 18W Charging OSAndroid 14SpeakerHi-Res Quad SpeakersDimension & Weight278.8*174.3*7.6mm&568gSIM SIotTwo nano sim card or nano sim+TF cardWi-FiWiFi 802.11a/b/g/n/ac(2.4GHz/5GHz)NavigationGPS+beidou+GLONASS+Galileo+AGPSConnectivity2G Bands: GSM: 2/3/5/83G Bands: WCDMA: B1/2/4/5/6/8/194G Bands: FDD: B1/2/3/4/5/7/8/12/17/18/19/20/25/26/28A/28B/66 TDD: B34/38/39/40/41DOOGEE T40 ProSee More, Store MoreAttention:-Different bundle, please choose the bundle you want.If you choose Black tablet only / Gray tablet only / Blue tablet only, it will only come with tablet and the charger as the following pic showed, good shopping!Attention:-If you choose Black tablet full set / Gray tablet full set / Blue tablet full set, it will comes with full set, which including protective cover, keyboard, mouse in full set as following pic showed, good shopping!