Feature: 1. Simple to use, and one switch recording. 2. Can still record when it is charging. 3. Super high quality recording, very clear. 4. Mini size, easy to carry. Specification: Memory: Most Support 32GB (NOT Including Memory Card) Recording Format: WAV Recording Time: About 70 Min Battery: Built-In Rechargeable Lithium Battery PC-Interface: USB 2.0 Battery Time: About 13 Hours Audio Output: Play Through Computer System Support: for Win7, for XP, for Win8 or Above Material: Plastic colour: White Package Contents: 2 x Audio Voice Recorder 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.