Professional Audio Recorder- This awesome recording quality with real stereo experience. The advanced chip and noise reduction function allow you to enjoy crystal high-definition recording and playback, suitable for classrooms, lectures, speeches, collecting evidence, etc.Mini and Easy-to-Use Activated Voice Recorder- This mini voice recorder is lightweight, portable, convenient and easy to put in your pocket or palm; very easy to use, press the "ON" button to save and the "OFF" button to save . When a sound is detected, activate the audio sound to record a loud enough sound.Strong Magnetic Adsorption Video Recorder- Strong magnetic adsorption can be attached anywhere, under the bed, on the desk, on the car seat, easily and discreetly record; Reduce noise through stimulation; Recording sound is clear.Product size: 71*22*28 (mm)Battery: lithium batteryShell material: ABS