Description: 1. Easy to use, one switch recording. 2. Can still record while charging. 3. Super high quality recording. 4. Mini size, easy to carry. Note: The body does not have memory, customers need to match their own tf card, maximum support 32GB memory card Specification: Size: about 70 x 22 x 10 mm / 2.76 x 0.87 x 0.39 inch Memory: Most support 32GB (The memory card Not included) Recording Format: WAV Recording time: about 70 minutes Battery: Built-in Rechargeable Li-battery PC-interface: USB 3.0 Battery time: about 13 hours Audio output: Play through computer System support: Win7, XP, Win8 or above Color: black Material: ABS Package Contents: 3 x Audio 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.