... Bluetooth 2.0 connect 2. Aluminium alloy keyboard 3. Waterproof, dustproof 4. Energy saving ... support backModern style designed for ipad 2ipad display stand for easy viewingSupport ios, google, android, ... weight ,quiet keystrokes and dust-proofEnergy saving keyboard sleep modeSpecification: Working voltage3.0-5.0VWorking ... 1.1cmWeight295g Aluminium alloy Bluetooth keyboard with stand for new ipad 2