Blackview Tab11 OS: Android 11 Storage space:8GB+128GB，Can be expanded up to 128GB CPU name：spreadtrum UMS512T-T618 Octa core Camera：8MP Front Camera + 13MP Rear Camera Battery capacity：6580mAh Dimensions： 247*156.7*8.1mm Weight：460g Screen Size：10.36inch Resolution：1200*2000 15:9 Display resolution： FHD+ IPS incell PPI/DPI PPI:226 Screen to Body Ratio：84% Brightness：cd/cm2，360-400 Connectivity：Wi-Fi version & spec 802.11a/b/g/n/ac Bluetooth version & spec：BT5.0 GSM spec：850/900/1800/1900 3G spec：WCDMA：B1/8 LTE spec：FDD:B1/3/7/8/20 GPS spec：YES CPU clock：Dual-core Arm  Cortex TM -A75 processor, up to 2.0GHz Six--core Arm  Cortex TM -A55 processor, up to 1.8GHz GPU Arm  Mali TM -G52 3EE 2-Core Up to 850MHz Navigation support：(GPS, GLONASS, Beidou) GPS+GLONASS+BDS Sim-card quantity:Two nano card，one TF Package: Set 1 includes: 1 x Blackview Tab 11 1 x USB Cable 1 x Power Adapter(EU) 1 x Screen Film 1 x User Manual Set 2 includes: 1 x Blackview Tab 11+ keyboard 1 x USB Cable 1 x Power Adapter(EU) 1 x Screen Film 1 x User Manual Operating steps for connection of Bluetooth and keyboard 1. After turning the power switch to the ON position, the power indicator light will be on for 3 seconds. Press and hold Fn+C for 3 seconds, the bluetooth indicator starts to flash, and the bluetooth keyboard enters pairing mode. 2. In the menu of Bluetooth Setting, search “Blackview K1 Keyboard” and click it, and then the keyboard will be connected automatically. 3. Upon successful Bluetooth connection, the paring indicator light will be off Set 3 includes: 1 x Blackview Tab 11+Bluetooth earphone 1 x USB Cable 1 x Power Adapter(EU) 1 x Screen Film 1 x User Manual