... proof. Bluetooth 3.0 interfa Case Cover With Bluetooth Keyboard for iPad2Bluetooth keyboard Product Features: 1, Bluetooth 3.0 interface with AIROHA AB1108 ... 4, Transmitting power: Class 2 5, Operating voltage: 3.0-5.0 6, Work current: <4.0MA 7, Standby current: < ... oils, chemicals or any other organic liquids. 6. Clean the silicone keyboard with water, alcohol, or alcohol based disinfectants.HS code : ...