Enjoy superior sound quality, wrapped up in the colours of your world. High-Resolution Audio lets you hear music as the artist intended, while the advanced circuit board and audiophile-quality lead-free solder ensure crystal clear sound. Go wireless - BLUETOOTH® streaming with LDAC™ preserves the detail in every track and NFC™ enables simple one-touch connection. Features: High-Resolution Audio for uncompromised sound DSEE HX upscaling restores quality to compressed files S-Master HX digital amplifier for pure sound quality Easy Bluetooth connectivity with NFC One-touch Handy buttons for quick control Ambient sound mode keeps you aware of your surroundings USB DAC function makes music played from your computer sound even better Listen for longer with up to 45 hours battery life Expand your memory with the SD card slot Specifications DIMENSIONS (W X H X D) Approx. 55.9mm x 97.5mm x 10.9mm WEIGHT 98g CHARGING TIME (QUICK CHARGE) - BATTERY LIFE - CONTINUOUS PLAYBACK MUSIC DSD (2.8224MHz / 1bit) / Noise Cancel OFF: Approx. 25 hrs DSD (2.8224MHz / 1bit) / Noise Cancel ON: Approx. 22 hrs FLAC (192kHz / 24bit) / Noise Cancel OFF: Approx. 30 hrs FLAC (192kHz / 24bit) / Noise Cancel ON: Approx. 27 hrs FLAC (96kHz / 24bit) / Noise Cancel OFF: Approx. 39 hrs FLAC (96kHz / 24bit) / Noise Cancel ON: Approx. 32 hrs MP3 (128kbps) / Noise Cancel OFF: Approx. 45 hrs MP3 (128kbps) / Noise Cancel ON: Approx. 37 hrs CHARGING TIME (FULL CHARGE) Approx. 4 Hour MEMORY SIZE 16GB USB CONNECTION Hi-Speed USB (USB 2.0 compliant) WM-PORT 22 Pins MUSIC PLAY MODE Shuffle Playback / Repeat Off / Repeat 1 Song / Repart All,Playback Range (All Range / Selected Range) FILE MANAGEMENT No SOUND EFFECTS 6 Band equalizer (Off / Rock / Pop / Jazz / Classical / EDM / R&B HIPHOP / Relax / Custom 1 / Custom 2) DSEE HX (On / Off) DC Phase Linearizer VPT (Off / Studio / Club / Concert Hall / Matrix) Dynamic Normalizer (On / Off) ClearAudi+ (On / Off) Clear Phase (On / Off) AUDIO PLAYBACK AAC ( .mp4, .m4a, .3gp): 6-320kbps / 8-48kHz APE ( .ape): 8, 16, 24bit / 8-192kHz (Fast, Normal, High) Apple Lossless ( .mp4, .m4a): 16, 24bit / 8-192kHz DSD ( .dsf, .dff): 1bit / 2.8224, 5.6448, 11.2896 MHz (Audio that is converted to Linear P cm is output.) FLAC ( .flac): 16, 24bit / 8-192kHz HE-AAC ( .mp4, .m4a, .3gp): 32-144kbps / 8-48kHz MP3 ( .MP3): 32 - 320kbps (Supports variable bitrate (VBR) ),/ 32, 44.1, 48kHz WMA ( .WMA): 32 - 192kbps (Supports variable bitrate (VBR) ),/ 44.1kHz HIGH-RESOLUTION AUDIO High-Resolution Audio DISPLAY RESOLUTION 3.1-inch (7.8 cm) , WVGA (800 x 480 Pixels) DISPLAY TYPE TFT colour display with white LED-backlight Capacitive touch screen PHOTO PLAYBACK No PHOTO PLAY MODE No FM TUNER Yes SENSITIVITIES (DB/MW) No WATERPROOF No SYSTEM REQUIREMENTS Windows® 10 Windows® 8.1 Windows® 7 macOS™v10.8-10.12 TOUCHSCREEN Touchscreen DIGITAL NOISE CANCELLING Digital Noise Canceling Select NC Environment: Full-auto AINC, Bus / Train, Airplane, Office INPUT AND OUTPUT TERMINALS Headphone: Stereo mini-jack WM-PORT: WM-PORT (multiple connecting terminal): 22 pins External memory: Micro SD Micro SDHC Micro SDXC WIRELESS CAPABILITIES Bluetooth® NFC VIDEO PLAY MODE No What's in the box: Walkman (1) USB cable (1) Startup Guide Instruction Manual A Micro SD card is not supplied with the Walkman.