1,8 inch Mini plastic bluetooth keyboard 2,bluetooth 2.0 3,Compatible with IOS4.0/smart phone/iphone4 etc. 4,Broadcom chipse 1,Mini plastic bluetooth keyboard2,bluetooth 2.03,Compatible with IOS4.0/smart phone/iphone4 (can support Windows XP/Vista/7,MAC,Windows mobile,Andriod 2.0 above)etc4,FCC/CE/REACH/RoHS cert.5,English/French/Japanese/Spanish/German/Italian/Russian etc6,Broadcom chipset