Computer connection and mobile phone connection (mobile phone connection only supports Android)Support Android mobile phone OTG connection, can play recordings on mobile phones, view upload management files at any time (only for Android phones) Classroom learning This recorder helps you get good grades Business negotiation Help you become a successful person Interview with reporters Record at any time, don't miss important content Holiday gift This is a high-end, decent gift ON/OFF Record indicator / reset hole Microphone hole Light weight:about 25g Non-slip and sweatproof design Refill can be replaced Colour:As Shown Material:plastic+metal type:32GB/8GB Package Contents: 1 x Record Pen(Due to different product batches, the appearance may be different, which does not affect use.) 1 x Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.