Item Type: Mini Recorder Material: Aluminum Alloy, ABS Transmission Interface: 3.5mm Recording Format: WAV Recording Distance: Approx. 5m or 16.4ft Built in Polymer Lithium Battery: 110mAh1,Noise Reduction: The recorder uses intelligent noise reduction technology to significantly reduce environmental noise and effectively restore the human voice. 2,Timestamp Function: Mini recorder built in time chip, and computer synchronization time after the recording file named in time, easy to manage the file. 3,Music Playback: MP3, WAV lossless music playback function, not only can record, but also play music, work and study, entertainment life more freely. 4,Voice Activated: Small voice recorder support voice activated, automatic recording when there is sound, no sound automatically pause, save storage space. 5,Premium Materials: This recording device is made of premium aluminum alloy and ABS materials, the body using oxidation technology, comfortable to the touch, durable.1 x Mini Recorder 1 x USB Cable 1 x Earphone Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.