describe:1. [Pendant design & one-click recording] Light as a feather, stress-free to carry: you can hang it around your neck and use it anytime and anywhere (note: you need to prepare your own lanyard). Start or stop/save files named with recording date and time with one click for easy file management. Reject complicated steps and record important content anytime and anywhere!2.4/16GB Large CapacityThe mini recorder is equipped with 4GB large capacity. Meet your various recording needs. The built-in battery can record continuously for about 35 hours after being fully charged. It supports recording while charging, and has a data protection function that automatically saves when the battery is low.3.Auto Noise Reduction & HD RecordingCan capture farther/lower but clearer sounds. Personalized and fashionable, it is an ideal choice for gift giving.4. [Voice Control Mode] Intelligent voice control recording, starts recording when it recognizes surrounding sounds; stops recording when it is quiet. Save power and memory space.5.ApplicationIdeal for lectures, classes, inspiration, meetings, interviews, etc. This makes a great gift for teachers, students, and more.Function:Product name: Mini audio recorderMaterial: purple alloyProduct color: blackProduct size: 4.2x3.7x0.96cm/1.65x1.45x0.38inNet weight: 0.04kg/0.088lbsRecording method: recordingRecording time: approximately 35 hoursRecording format: WAVPlay format: MP3/WMA/WAVSampling rate: 48KHzBattery capacity: 120 mAhpacking list:1 x mini audio recorder1 x instruction manual1 x headset1 x power cord