Specifications - Sony NWZ-B183? NWZ-B183F Help Manual

Help Guide
How to Use
Digital Music Player
NWZ-B183/B183F

Specifications

Display
Size/resolution
0.9-inch (2.26 cm) 128 x 36 Pixels
Panel type
OLED
Interface
USB
Hi-Speed USB (USB 2.0 compliant)
Headphone
Stereo mini-jack
FM radio
FM Frequency range
87.5 MHz to 108.0 MHz
Antenna
Headphone cord antenna
Output (headphones)
Frequency response
20 Hz to 20,000 Hz (when playing data file, single signal measurement)
Sound Effects
5 Band equalizer (None/Heavy/Pop/Jazz/Unique/Custom) & Bass Boost
Power Source
Built-in Rechargeable lithium-ion Battery
USB power (from a computer via a USB connector of the player)
Charging Time
USB-based charging
124