The BenQ-Siemens EF81 is a very desirable & slim 3G mobile phone which comes with a beautiful clamshell opening mechanism. The handset is very small in size & measures 94 x 51 x 15.9 mm which make it very slim & stylish. The handset comes in a titanium silver colour which is made from brushed stainless steel & magnesium materials which make the EF81 look very attractive. The internal keypad is set in a metal plate which is very sleek looking & provides a very elegant finish. The BenQ-Siemens EF81 is similar in design to the Motorola SLVR L7 as they are both very sleek, silver & ultra thin mobile phones.

The phone comes with a large screen which is made from hardened mineral glass & provides a TFT 262k colour 240 x 320 pixels display. The external screen provides the user with a TFT 262k colour screen with 120 x 160 pixels display.

The EF81 comes with a beautiful 2 megapixel camera feature with a 5 x digital zoom & a dedicated picture button for ease of use. The user can record & playback footage very easily on the BenQ-Siemens EF81 & enjoy seeing their experiences in full colour motion. The video playback feature supports footage in MPEG4, 3GPP, H.263 & Real video formats. The phone comes with 64 Mbytes of internal memory & the option to use a Micro SD™ card which can expand the memory considerably which allows the user to have as much storage as they desire.