Sony is going to unveil two new Walkman DAPs, the Walkman NW-A829 and NW-A828 models. Measures 50.2 x 93.6 x 9.3mm and weighs at just 59 grams, both players sport both audio (MP3, WMA, ATRAC Advanced Lossless, PCM, AAC, HE-AAC) and video (MPEG-4/H.264, AVC) playback and a handy built-in Bluetooth connectivity, allowing users to stream the music to Bluetooth-ready audio accessories, such as wireless earphone and speaker. As for the battery, it lasts for up to 36 hours (music) and up to 10 hours of video playback.

No words on pricing at the moment, but Walkman NW-A829 will be priced higher since it comes with 16GB of storage, while NW-A828 only has 8GB of internal memory