bluetooth keyboard 1. Bluetooth 3.0 connect 2. High-grade PU leather 3. Waterproof and dust proof 4. Long using time Feature:Build-in wireless bluetooth functionSpecialized design for ipad miniPu leather bag designBuild in rechargeable Li-on battery, charging time: 4-4.5 hoursSleep energy-saving mode functionLight, silence, waterproof, dustproofSwitch to Multiple applications through ...