Model No : Sony NWZ-B163F/R

General
Memory (Available capacity may vary) :  4GB
Display :  3-line LCD
FM Tuner  : Yes
Input / Output Terminals :  Headphone / Hi-speed USB (2.0)
Maximum Power Output (16 ohms/mW) : 5+5mW
Power Source :  Built-in Li-ion Rechargeable Battery / USB power (from a computer via a USB connector of the player)
Recharging Method : USB-based charging
Recharge Time :  Approx. 70 minutes (full charge) (Quick Charge - 3 min charge for up to 90 min Playback)
Maximum Dimensions (W x H x D) :  Approx. 90.9 x 23.3 x 15.2mm
Weight :  Approx. 28g
Supplied Accessories  : Headphones, Quick Start Guide

Music
Sound Settings :  Bass Boost / 5 Band Equalizer (Heavy / Pop / Jazz / Unique / Custom)
Searching Methods :  All Songs / Album / Artist / Genre / Release Year / Playlists / Folder / ZAPPIN? (Short / Long)
Play Mode :  Normal / Repeat All / Repeat 1 Song / Repeat Shuffle All
Continuous Playback Time :  Approx. 18 hrs (MP3 at 128kbps)
Number of Songs :  Approx. 980
Maximum Recording Time :  Approx. 65 hrs 20 min

File Formats Supported
MP3 Audio  : Bit rate: 32 to 320kbps (Supports variable bit rate (VBR)), Sampling frequencies: 32, 44.1, 48kHz
WMA Audio  :  Bit rate: 32 to 192kbps (Supports variable bit rate (VBR)), Sampling frequencies: 44.1kHz

One Year Warranty.