The time below may differ depending on ambient temperature or the status of use.

Battery life (continuous playback)

Actual battery life may vary depending on settings. The estimated battery usage hours shown below are based on typical usage conditions with “Settings for battery life measurement” as below.

Music (NWZ-B183/B183F)

MP3 128 kbps

approx. 20 Hrs

WMA 128 kbps

approx. 15 Hrs

FM (NWZ-B183F)

approx. 6 Hrs

FM REC (NWZ-B183F)

approx. 3 Hrs

Note

• Even if the player is turned off for an extended period, a small amount of battery power is still consumed.
• Battery life may vary depending on volume setting, conditions of use and ambient temperature.

Settings for battery life measurement

Common Settings

Screen Off Timer (*1): 15 Seconds (default setting: 30 Seconds)

Brightness: 1 (default setting: 3)

Music Settings

Equalizer: Off (default setting: Off)

Bass Boost: Bass Boost Off (default setting: Bass Boost On)

^(*1) The longer the waiting time, the shorter the battery life for continuous music playback.