1. With magnetic adsorption, high concealment, supporting mobile power output 2. One-click recording with delete function and LED prompt for playback 3. ADPCM 192Kbit recording, optional 50dB voice control recording, automatic segmentation recording, loop coverage recording 4. Continuous recording for 1100 hours, standby for 500 days. 32GB capacity can store recordings for 400 hours 5. Supports MP3, WMA, WAV playback, fast forward and rewind 6. With date/time stamp, the recording file is named after the time Parameter Body material: ABS Appearance design: power bank and recording pen Recording format: WAV Recording time: 1100 hours continuous recording Standby time: 365 days Number of digits: 192 KBPS Battery: 6000mAh lithium battery Memory: Built in 4GB/8GB/16GB/32GB/64GB Product size: 90x60x23mm Product weight: 139g