Sony Japan today announced the NW-S738FK and the NW-S736FK, two new portable media players that are part of the Sony Walkman series. Both devices feature a 2-inch TFT display and come with mini speakers and noise-canceling earphones. There is no word yet on a release outside Japan.

Both players support audio in MP3/WMA/ATRAC/ATRAC Advanced Lossless/linear PCM/AAC/HE-AAC, JPEG and video in AVC(H.264/AVC)/MPEG-4/Windows Media Video 9.

The NW-S738FK comes with 8GB memory (price: $230), while the NW-S736FK only has 4GB (price: $190). The devices will be available in pink, gold, red and black starting March 14.