Item Type: Pen Digital Voice Recorder <br>Material: Copper Alloy <br>Built in Polymer Lithium Battery: 180mAh <br>Recording Time: 15H <br>Playback Time: 10H <br>Charging Time: 2.5H <br>Recording Format: WAV <br>Playback Format: MP3, WMA, WAV1、Blind Operation Type Recording: Ballpoint pen type mechanical rebound switch, press to start recording (pen hat lower), and then press to end recording and save (pen hat rise). <br>2、Multifunctional: When recording data, digital voice recorder can record while writing to achieve two way recording, and can also replace the pen refill as a signature pen. <br>3、Noise Reduction: Pen digital voice recorder uses an acoustic 8 core DSP noise reduction module, which has a certain reduction effect on environmental noise. <br>4、Connection Upgrade: Connect OTG adapter to manage and transfer files on the phone, support for Android and for iOS phone connection, plug and play, simple and convenient. <br>5、Applicable Headphones: Plug in the headphones can play music and recording files, support in line headphone control to switch songs, fast forward and back, volume and confirm and delete. 6、Durable Material: Metal alloy material, CNC process manufacturing and baking paint electric transition process to build, durable, anti?oxidation, anti scratch characteristics.<p>1 x&nbsp;Pen Digital Voice Recorder</p><p>1 x Charging Cable&nbsp;</p><p>1 x Earphone</p><p>1 x Instruction Manual&nbsp;</p><p>3 x Pen Refill&nbsp;</p>