... WAV ;Support video formats:AMV;Support micro SD card;With at least 5 EQ modes: jazz, classic ... built-in 3.7 V, 200 MA/H of lithium batteryMusic functionformat MP3, WMA, WMV,WAVHeadset ... KbpsFrequency response20 Hz ac to 20 KHzSNR90 dBDistortion degree of< 0.05%Video functionformatAMVPicture browsingsupport BMP, JPEG, ... , please inform us within 14 days after reception. We will give you our approval for ...