Keyboard with tablet/phone holderStandard version without power bank; Upgraded version: tablet/phone holder built-in 2700mAh power bankBroadcom bluetooth chipWith 180mAh lithium batteryContinuous working 120 hours, standby 100 days Magnetic on/off buttonKeys: 64Scissors keys, comfortable typeKey switch lifetime: 5 millionMaterial: ABS + metal + fabricColor: Black, Golden, Rose GoldUnfolded Size: 248*131*5.5mmFolded Size: 248*41*24mmNet Weight: 195g for standard version; 275g with power bankCompatible with IOS, Android, WindowsAccessories: charging cable, manual