Item Type: Voice Recorder Pen <br>Material: Copper Alloy <br>Built in Polymer Lithium Battery: 120mAh <br>Recording Format: WAV <br>Playback Format: MP3, WMA, WAV1、DURABLE MATERIAL: Digital voice recorder pen is made of metal alloy, CNC process manufacturing and baking paint plating process, durable, anti oxidation, anti scratch. <br>2、ONE BUTTON OPERATION: Ballpoint pen type mechanical bounce switch, press to start recording (pen cap lowered), and then press to end recording and save (pen cap raised). <br>3、MULTI PURPOSE: When recording data, you can write while recording, to achieve two way recording, you can also replace the pen refill as a signature pen use. <br>4、NOISE REDUCTION: Voice activated recorder pen with acoustic 8 core DSP noise reduction module, for environmental noise has a certain reduction effect. <br>5、SUPPORT OTG: Connect OTG adapter to achieve cell phone management and file transfer, support for Android and for iOS cell phone connection, plug and play, simple and convenient. 6、CABLE CONTROL: Plug in the headset can play music and recording files, support cable control headset, control switching songs, fast forward and backward, volume and confirm or delete.<p>1 x Recording&nbsp;Pen</p><p>1 x Charging&nbsp;Cable</p><p>1 x Earphone</p><p>1 x Instruction&nbsp;Manual</p><p>3 x Pen&nbsp;Refill</p>