FEATURES:

• Audio Sample rate: 5.5, 8, 11, 16 or 22 kHz
• Recording format: Mono
• Recording time: Max. 2240 minutes (8KHz)
• Signal/noise ratio: 64 dB
• Built-in microphone: Sensitivity within 7-9 metres
• Compression algorithms: Without compression, uLaw (2/1) or ADPCM (4/1)
• Battery life (continous at sample rate of 8 kHz): Up to 120 hours
• Battery life (continous at sample rate of 11 kHz): Up to 90 hours
• Battery life (continous at sample rate of 22 kHz): Up to 60 hours 
• Battery life (VAS mode): Up to 400 hours 
• Battery life (stand-by): Up to 12 months  
• Battery: 240mAh Li-Pol Rechargeable Battery  
• Weight: 21 g (with battery)
• PC Interface: Up to 12 Mbit/s (USB 1.1)
• Case: Leather Keyring
• Dimensions (mm): 55 (diam) x 11

Our E-A21-2240 is leather keyring housing a digital audio recorder. Hidden inside this keyring is a battery, audio circuit, flash memory, usb interface and a microphone.

AUDIO:

Capable of recording audio in the 300~11000 Hz range, the E-A21-2240 has an extremely sensitive audio microphone. This microphone is able to pick-up audio to a distance of approx. 7~9 meters. With a wide dynamic range, S/N ratio of the unit has been improved to 64 dB.

RECORDING:

Recording is configured with the PC software and activated by depressing the single button on the unit. Audio can be recorded in a voice-activation mode or by schedule. LEDs then provide an indication of recording status and battery life. At the lowest quality setting, the E-A21-2240 can record for 2240 minutes.

USB INTERFACE:

Transferring of files to a PC after recording is made simple by the unit’s integrated USB interface. Software is included for review on Window’s XP computers.