1. Easy to use, one switch recording. 2. Can still record while charging. 3. Super high quality recording. 4. Mini size, easy to carry. Memory: Most support 32GB ( included 32G card ) Recording Format: WAV Recording time: about 70 minutes Battery: Built-in Rechargeable Li-battery PC-interface: USB 2.0 Battery time: about 13 hours Audio output: Play through computer System support: for Win7, XP, Win8 or above Colour:Black Material:Plastic Package Contents: 1x Recorder USB flash drive 1x 32G card(Card color and style are random,can not be chosen the specific ) 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.