When using Sony LR03 (SG) (size AAA) alkaline batteries (*1)

MP3 192kbps

Recording: Approx. 57 h.

Playback through speaker (*2): Approx. 18 h.

Playback using headphones: Approx. 48 h.

MP3 128kbps

Recording: Approx. 57 h.

Playback through speaker (*2): Approx. 18 h.

Playback using headphones: Approx. 48 h.

MP3 48kbps(MONO)

Recording: Approx. 72 h.

Playback through speaker (*2): Approx. 18 h.

Playback using headphones: Approx. 48 h.

MP3 8kbps(MONO)

Recording: Approx. 96 h.

Playback through speaker (*2): Approx. 18 h.

Playback using headphones: Approx. 48 h.

(h.: hours/m.: minutes)

^*1 Measured value by the standard of JEITA (Japan Electronics and Information Technology Industries Association). The battery life may shorten depending on how you operate the IC recorder.

^*2 When playing back music through the internal speaker with the volume level set to 27

When using Sony NH-AAA rechargeable batteries (*1)

MP3 192kbps

Recording: Approx. 42 h.

Playback through speaker (*2): Approx. 12 h.

Playback using headphones: Approx. 34 h.

MP3 128kbps

Recording: Approx. 42 h.

Playback through speaker (*2): Approx. 12 h.

Playback using headphones: Approx. 34 h.

MP3 48kbps(MONO)

Recording: Approx. 50 h.

Playback through speaker (*2): Approx. 12 h.

Playback using headphones: Approx. 34 h.

MP3 8kbps(MONO)

Recording: Approx. 65 h.

Playback through speaker (*2): Approx. 12 h.

Playback using headphones: Approx. 34 h.

(h.: hours/m.: minutes)

^*1 Measured value by the standard of JEITA (Japan Electronics and Information Technology Industries Association). The battery life may shorten depending on how you operate the IC recorder.

^*2 When playing back music through the internal speaker with the volume level set to 27