Functions.
1, One key recording/saving
2, Low power auto save recording
3, High sensitivity stereo MIC, stereo record/output 
4, Support A-B repeat 
5, Low power auto save recording 
6, Variable speed playback with constant tone
7, Support automatically noise reduction
8, Recording format: MP3, WAV
Music format:MP3,WMA and all lossless music formats 
9, Built-in loudspeaker 

Specifications

1, Solution: ATJ 2127
2, Screen: 1.5inch LCD screen
3, Case: zinc alloy 
4, Size: 91*34*11 mm, net weight: g
5, Capacity: built-in 8GB flash memory 
6, Recording time: about 20 hours
7, Playing time: 9hrs by earphone
8, Charging time: 2hrs
9, Battery capacity: 3.7V/230mAh
10, Standby time: 360 days
11. 10-15 meters distance recording
12. Colour: Silver