Product description: Quantity: one piece Product model: x09 Transmission interface: USB Material: Aluminum sheet + ABS Recording format: WAV Process: frosted Recording distance: 5 meters Product Specification: 68X22X9(MM) Product weight: 13.7g Built-in memory recording time: 8 hours Battery: built-in environmentally friendly lithium battery Color: Silver Product features: one-button registration Capacity: 8G [Clear Audio]: Human voice creates impressive sound quality, making it the perfect recorder for work or study. [Easy to play and portable ]: Micro recorder with USB painted metal body. Record and save buttons allow you to quickly capture the speaker's point of view during lectures, meetings and presentations. Connect the USB recorder to the computer and the folder where the WAV files were saved will be immediately displayed. Automatic. [High Capacity Battery]: It only takes 2 hours to fully charge the battery. Built-in 110mAh rechargeable lithium battery, support 18 hours of continuous recording. 8GB internal storage for up to 90 hours. [Widely Used]: Ideal for recording lectures, meetings, interviews, etc. You can take notes yourself or use it as a voice recorder. You can use it for anything you need to remember.