In the one button power on state, gently dial up to enter the recording mode, easy to use Support boot password settings, protect the security of data, it is your exclusive, everything only for you This machine supports e-book reading. It can also be set to turn pages automatically and add marks. Next time you read, you can continue to read The built-in noise reduction chip can greatly reduce the noise sound waves in different environments, so as to input and input high-definition sound quality. The default recording time is 5 hours. You can set the duration of a single file Item number: Q33 Display: color display Battery: Lithium battery colour:black material:ABS+Aluminum Alloy size:115x33x10mm Package Contents: 1 x recorder 1 pair x earphones 1 x usb cable Only the above package content, other products are not included. Note: Light shooting 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.