16G Professional Dictaphone HD Noise Reduction Voice Activated Recorder Lossless HIFI Player Sports Business Meeting|Digital Voice Recorder Specification: Dimensions:100*37*13mm Weight: 103g Color: Black Material: Metal Memory:Built-in 16GB, Recording format: WAV/MP3 Bitrate:1536Kbps NSR:?70db Frequency:20Hz-20KHz Microphone: large-scale high sensitivity mic Working time: Continue Recordingaround 14 hours, Playback with speaker around 15 hours. Music format: MP3,WAV,WMA,APE,FLAC Recording mode:Voice-activated/ manual control/Line-in recording/Timed recording Voice-activated sensitivity:adjustable Earphone:3.5mm stereo earphone Built-in battery:built-in lithium polymer battery Listening to songs with headphones can last for 28 hours. Connect: Micro USB2.0/OTG Working Temperature:-5~45? Package Includes 1 x Digital Voice Recorder MP3 1 x USB Cable 1 x Earphone 1 x User manual