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Specifications Connectivity- Headphones: 3.5 mm
- Microphone: 3.5 mm
- USB: High-speed USB 2.0
Display- Type: LCD
- Diagonal screen size: 34.5 mm/1.4 in.
- Backlight: white
Storage media- Built-in memory capacity: 4 GB
- Buit-in memory type: NAND Flash
- Mass storage class compliant: yes
Audio recording- Recording formats: MPEG1 layer 3 (MP3)
- Built-in microphone: high-sensitivity, low-noise microphone, mono
- Recording modes: SHQ (MP3/mono), HQ (MP3/mono), SP (MP3/mono), LP (MP3/mono), SLP (MP3/mono)
- Bit rate: 8, 32, 48, 64, 192 kbps
- Sample rate: 44.1 kHz (SHQ), 22 kHz (HQ), 16 kHz (SP/LP/SLP)
- Recording time: 44 days (SLP), 11 days (LP), 8 days (SP), 5.5 days (HQ), 2 days (SHQ)
Sound- Speaker type: built-in round dynamic speaker
- Speaker diameter: 23 mm
- Speaker output power: 110 mW
- Sound enhancement: ClearVoice
- Frequency response: 250-2000 Hz (SLP), 60-3500 Hz (LP), 60-5500 Hz (SP), 60-7000 Hz (HQ), 60-16000 Hz (SHQ)
- Signal-to-noise ratio: > 60 dB
Convenience- Voice volume indicator: yes
- Instant one-touch recording: yes
- Voice-activated recording: yes
- Keypad lock: yes
- Firmware upgradeable: yes
- Variable playback speed: yes
- Optimized for conversations: yes
Power- Battery type: AAA/LR03 Alkaline, Philips AAA Ni-MH LFH9154
- Number of batteries: 1
- Battery lifetime: up to 22 hours in SLP recording mode
- Battery included: yes
- Rechargeable: yes, via USB with optional LFH9154 battery
System requirements- Operating system: Linux, Mac OS X, Windows 7/Vista/XP/2000
- Free USB port: yes
Accessories- Hands-free headset: yes
- USB cable: yes
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