A standard recorder that plays an active role in a wide range of applications, from lecture recording and language learning to business It is an IC recorder equipped with recording and playback functions that are full of useful functions. In addition to convenient functions such as "Voice Chaser" that automatically records at the optimum recording level and "Voice Changer" that allows you to play at intervals that do not tire your ears, language learning such as "fast listening / slow listening playback" and "shadowing" There are also many functions that are useful for learning. In addition to being able to store a large number of audio files for language learning, it is less likely to run out of space even when recording long meetings continuously, so you can use it with more peace of mind. This recorder can be used for a wide range of purposes, from recording lectures and language learning to business. High quality recording Equipped with a variety of recording functions, the WS-883/WS-882 can record in easy-to-hear sound, whether in a lecture in a large classroom or in a language conversation class for one-on-one lessons. An impressive array of playback functions The device has a full range of play-back functions, including a "Voice bal-ancer" that makes it easier to hear dis-tant voices, and a "Noise cancellation" function that suppresses excess noise. It also includes features that expand the range of usage scenarios, such as a useful mode for language learning that supports listening and learning. Usability We have focused on ease of use to prevent forgetting to listen and to make it easier to find the desired file. The rechargea-ble battery in the unit can also be re-charged by connecting it to the USB port of a PC. Technical details Product colour: Silver Microphone input impedance: 2000 Storage media: Flash Connectivity technology: Wired Headphone outputs: 1 Headphone connectivity: 3.5 mm Microphone connection: Yes Memory Internal memory: 4 MB Display Built-in display: Yes Audio Maximum recording time: 4220 h Built-in microphone: Yes Noise-canceling: Yes Audio formats supported: LPCM, MP3 Impedance: 8 Frequency range: 40 - 17000 Hz MP3 bit rates: 8 - 128 Kbit/s Ports & interfaces Interface: 3.5mm Microphone in: Yes Headphone out: Yes Weight & dimensions Weight: 77 g Width: 39 mm Depth: 18 mm Height: 111.5 mm Operational conditions Operating temperature (T-T): 0 - 42 °C Storage Media types supported: Flash card Compatible memory cards: MicroSD (TransFlash), MicroSDHC Loudspeakers Built-in speaker(s): Yes Number of built-in speakers: 1 Output power: 250 mW Loudspeaker diameter: 2 cm Certificates Certification: EN 50332-2 Battery Compatible battery sizes: AAA Battery life (max): 110 h Number of batteries supported: 2 Battery voltage: 3 V