Features: The Mini Recorder comes with a large 16GB memory, capable of storing up to 140 hours of o recordings, perfect for long lectures, meetings, or interviews. Equipped with a built-in lithium battery, this recorder can continuously record for up to 14 hours, ensuring you never miss a moment. Featuring a capacitive microphone with 360 degrees high-definition recording, it captures sound from all directions up to 20 meters away, providing clear and crisp o quality. This device offers one-touch recording and voice-activated recording, making it easy to use. Plus, it automatically saves your o files in case of power loss, so you never have to worry about losing important information. Plug and Plug. This device is compatible with Windows XP78910 system, USB2.0 interface support high speed data transfer.  Ideal for your business meetings, negotiations, interviews, presentations, conferences, semester classes, presentations, group discussions, etc., accurately record all the details. Specification: Material: ABS Color: Black Product Size: 38x38x7mm1.49x1.49x0.2in Product Weight: 13.7g Memory: 16GB Recording Time Saving Capacity: 140hrs Recording Mode: Mic Recording Recording format: WAV Music format: WAV, MP3, WMA, FALC, APE Signal-to-noise ratio: more than 80db Microphone: condenser microphone Recording Sampling Bit Rate: 512kbps Battery: 3.7V 110MAH Lithium Battery Recording Time: about 14hrs Support System: Windows XP78910 Working Temperature: -5 to 60 degrees Celsius Transmission Interface: MICRO 5PIN USB2.0 Package Size: 10x8x4.5cm4x3.1x1.7in Package Weight: 116.8g4.1oz Packing List: 1 x Voice Recorder 1 x Earphone 1 x USB Cable 1 x User Manual