Sony Ericsson is developing the next phone in their eco-friendly Greenheart series. The phone is codenamed Sony Ericsson Hong. It is expected to be a classic stick phone and have a design similar to that of Sony Ericsson Elm. The specifications of te phone are not yet known.

The Hong is the seventh phone in the Greenheart series. The Greenheart range of phones are  eco-friendly. They are manufactured from materials which do not harm the environment. The phones carry an in-phone manual rather a paper manual. It is made from re-cycled plastics and uses an energy efficient display. All these features reduce Carbon-di-oxide emissions by 15%.

The other handsets in the series are Naite, C901, Elm, Hazel and Aspen. The Hong is also expected to be named after a tree.