Battery Life: Battery life - continuous playback music (h) 42 (via headphones) / 17 (via built-in Stereo Speakers). Battery Type: Rechargeable Lithium Ion. Brand: Sony. Built in Speakers: Yes. Built-in Bluetooth For Wireless Streaming: No. Built-in Microphone: No. Built-in Radio: FM. Built-in Wi-Fi: No. Card Slot: None. Card Slot Supports Hc: No. Case Included: No. Colour: Black. Colour Screen: Yes. Docking Station Included: No. Earphones Included: Yes. Features of Product: Share your music anywhere with built-in Stereo Speakers. Works with BBC iPlayer downloads, for over 400 hours of TV and Radio shows for Walkman every week (This service is only available to UK residents). Two Clear Audio technologies work together to create a purer sound true to the original source (Clear Stereo and Clear Bass). Larger 2.4 inches QVGA colour LCD screen displays razor sharp video, photos and album art. Videos can be watched in widescreen format. Listen for longer with an incredible battery life of up to 42 hours and watch video longer with a 6.5 hour battery life. Dynamic Normaliser balances the volume level between songs for an easier listening experience. Content transfer software (Desktop set up file included in Walkman memory). FM tuner (30 station presets). LCD Screen Size: 2.4 inches. Plays Aac Files: Yes. Plays MP3 Files: Yes. Plays Mp4 Files: Yes. Plays Wma Files: Yes. Product Depth: 1.02 cm. Product Height: 9.93 cm. Product Weight: 0.68. Product Weight Units: kg. Product Width: 4.93 cm. Screen Resolution: QVGA (240 x 320). Software Included: Yes. Storage Capacity (GB): 8. Storage Capacity in Gb: 8. Support Id3 Tag: No. Type of Screen: LCD. Typical Number of Songs: 8 GB storage holds around 1,850 (at 128 kbps) music tracks or over 30 hours video (at 384 kbps). USB Cable Included: No. View Photos or Videos: Photos, Videos.