Description: brand new and high quality Feature: Designed with the display screen, it can show the for time and recording for time. Digital noise-reduction technology, effectively restore the original sound clarity, greatly reduce environmental noise, allowing users to hear the recording content more clearly. One-Key recording, turning on is recording, turning off is saving, easy and simple to operate. Intelligent voice control, recording when there is sound, and stopping when there is no sound, saving space and improving efficiency. Support listening while recording, you can master the recording effect in real for time. Long standby for time, it can record the sound continuous for a long for time. With its own delete function, unnecessary files can be delete directly without computer operation. Support MP3/WMA/WAV and etc audio files playing, let you enjoy the high definition voice sound when plugged in the earphone. Mini keychain shape, easy and convenient to carry and take. USB disk function, 4G/8G memory capacity to choose from. It can be both used as a voice recorder and a keychain, Suitable for classroom learning recording, business meeting, and so on. Specifications: Item Type: Voice Recorder Model: S23 Material: metal Size: 6.7x2.5x1.1cm/2.6x0.9x0.4in Color: Black Memory Capacity: 4G/8G(Optional) Recording method: start for recording/shutdown for saving Battery: Lithium polymer battery Charging Time: app.1h Recording format: WAV Music format: MP3/WMA/WAV 4G: save 48h recording, 8G: save 96h recording Sampling Rate: 48KHZ Recording bit rate:192 Kbps Quantity: 1 PC Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Voice Recorder 1 x User Manual 1 x USB Cable 1 x Earphone