1、Premium Material: Digital voice recorder pen is made of metal alloy, CNC process manufacturing and baking lacquer electric transition process, to create durable, anti oxidation, anti scratch characteristics. 2、Simple Operation: Digital voice recorder uses a blind operation type recording, a ball pen type mechanical bounce switch, press to start recording (pen cover lowered), then press to end recording and save (pen cover raised). 3、Multipurpose: Digital voice recorder pen recording data, you can write while recording, to achieve two way recording, you can also replace the pen refill as a signature pen use. 4、Noise Reduction Effect: Digital voice recorder pen using acoustic 8 core DSP noise reduction module, for environmental noise has a certain reduction effect. 5、Connection Upgrade: Recording pen can be connected to OTG adapter to achieve cell phone management and file transfer, support for Android, for IOS cell phone connection, plug and play, simple and convenient. 6、Easy to Control: Recording pen plugged into headphones can play music and recording files, support line control, headphone control to switch songs, fast forward and back, volume and confirm or delete. Item Type: Digital Voice Recorder Pen Material: Copper Alloy Built In Polymer Lithium Battery: 180mAh Recording Time:15H Playback Time: 10H Charging Time: 2.5H Recording Format: WAV Playback Format: MP3, WMA, WAV 1 x Recorder 1 x Charging Cable 1 x Earphone 1 x Instruction Manual