Fast shipping +Free tracking number, Silica Gel Bluetooth Keyboard + Leechee Vein PU Leather Case for iPad Mini Purple Specially design for iPad Mini, it will be more convenient to carry with iPad bag . Silence design, it will not affect other peoples rest . It is waterproof, dustproof, anti-pollution, anti-acid, waterproof for silicone part Work with PC and commerical mobile, it will be convenient to work . Built-in lithium battery, you do not need to frequently change battery Executive Standard: Bluetooth V3.0.... Working Distance: 10meters.... Modulation System: GFSK.... Transmitting Power: Class 2.... Operating Voltage : 3.0-5.0V.... Work Current: 100MA.... Standby Time: 60 Days.... Litheum Battery Life: 3 years Uninterrupted Working Time: 40 hours.... Charging Time: 4-5 hours.... Lithium Polymer Battery Capacity: minimum 450MAH.... Material: PU Leather,Silicone.... Dimensions: (20.7 x 14.5 x 3)cm / (8.15 x 5.71 x 1.18)" (L x W x H).... USB cable length: 70cm / 27.56".... Weight: 12.42oz / 352g.... Compatible with: iPad Mini Package Includes: 1 x PU Leather Case With Bluetooth Keyboard , 1 x Manual , 1 x USB Charging Cable