Model NO.: Pad Pro 10.5 (2017) Battery Capacity: Non-Removable Li-ion 8134 mAh Battery (30.8 Wh) Memory: 64/256/512 GB Network Mode: 3G, 4G Operating System: Ios 10.3.2, Upgradable to Ios 11.4.1 Built-in Bluetooth: 4.2, A2dp, EDR