Item Type: Hanging Recorder Material: Zinc Alloy Recording Format: WAV MP3 Playback Format: MP3 WMA WAV Built-in Lithium Polymer Battery: 120mAh ONE-KEY RECORDING: Mini voice recorder supports one-key recording, with wired control for deletion and LED indication for playback. Offers 35 hours of continuous recording and 30 days of standby. LOOP OVERWRITING RECORDING: Mini hanging voice recorder automatically segments recordings and supports loop overwriting. Features PCM recording at 1536Kbit and optional 50DB voice recording. INTELLIGENT VOICE CONTROL: Mini MP3 recorder utilizes intelligent voice recording to efficiently save memory space and battery life. Equipped with a professional audio noise reduction chip to restore true and clear sound. WITH TIMESTAMP: Hanging recorder supports MP3, WMA, WAV playback, with fast forward and backward functions. Recording files are named by timestamp. ZINC ALLOY MATERIAL: Digital voice-activated recorder is crafted from zinc alloy with a sandblasted black finish and 5D glass. It boasts high concealment, a beautiful style, and a hole for a hanging rope, serving as both a recorder and an accessory. Package includes: 1 x Hanging Recorder 1 x Earphones 1 x Charging Cable 1 x User Manual