Features 1、Made of CNC copper alloy material and go through electroplating process, it is writable with high concealment. 2、One‑click recording design, multi‑function operation with wire control, with delete function and LED indicator. 3、PCM recording 512Kbit, optional 50DB voice control recording, automatic recording segmentation。 4、Supports multiple playback formats for MP3/WMA/OGG/APE/FLAC/WAV/AAC‑LC/ACELP. 5、Continuous recording for 20 hours, standby for 30 days, with a time stamp, recording file is named by the time. Specification Condition: 100% Brand New Item Type: Recording Pen Material: CNC Copper Alloy Color: As Picture Shown Product Length: Approx. 13.5cm/5.3in Product Diameter: Approx. 1.2cm/0.5in Weight: Approx. 146.0g/5.2oz Recording Mode: Power on to record, power off and save Battery: Li-ion Battery 100mAh Charging Time: About 1 hour Recording Format: WAV Play Format: MP3/WMA/WAV 8GB can be stored for 96 hours 16GB can be stored for 192 hours 32GB can be stored for 384 hours Sampling Rate: 48KHz Recording Bit Rate: 192/256KBPS Package List 1 x Recording Pen 1 x Earphone 1 x Flash Cable 1 x Manual