... Slim,durable PU leather CE,ROHS,FCC,BQB for ipad keyboard case, detachable keyboard case, for ipad accessories Product Specification: Model No:IS11 ... mah rechargeable lithium battery Pu Leather Case with Removable Bluetooth Keyboard Features: 1.Slim, durable high grain leather like cover ... best to resolve the issues. Certificate: for ipad 4 keyboard case, detachable case keyboard for ipad accessories