Product Name: Voice Recorder Material: Metal shell Memory: 32GB Recording Format: WAV/MP3 Battery Life : Up to 21 hours recording time after fully charge; Up to 16 hours recording time after fully charge Battery : Built in 3.7V/350mAh rechargeable lithium battery Recording Storage Time: 32GB storage can hold up to 1080 hours recordings file Size: 103*26*10MM Weight: 65.3g
