Specifications48Model YP-MT6Built-in Memory capacity 128MB(YP-MT6 H), 256MB(YP-MT6 V), 512MB(YP-MT6 X), 1GB(YP-MT6 Z)Voltage 1.5V X 1 (AA/LR6 size alkaline battery)Playing time lasts up to 42hours (Alkaline battery, MP3 128Kbps, Vol level 20)Dimensions/Weight 25.2 X 60.8 X24.2 mm / 36 g (without battery)Case Zinc/Plastic/AluminumaNoise Ratio 89dB with 20KHz LPFEarphones Jack Output Power 5mW/CH (16 Ω)Output Frequency Range 20Hz~20KHzOperating Temperature Range -5 ~ +35°C(23~95°F)File Support MPEG1/2/2.5 Layer3(8Kbps ~ 320Kbps, 8KHz ~ 48KHz)WMA, ASF (8Kbps ~ 192Kbps, 8KHz ~ 48KHz), OggThe product unit accompanying this user manual is licensed under certainintellectual property rights of certain third parties. This license is limited toprivate non-commercial use by end-user consumers for licensed contents.No rights are granted for commercial use. The license does not cover anyproduct unit other than this product unit and the license does not extend toany unlicensed product unit or process conforming to ISO/IEC 11172-3 orISO/IEC 13818-3 used or sold in combination with this product unit. Thelicense only covers the use of this product unit to encode and/or decodeaudio files conforming to the ISO/IEC 11172-3 or ISO/IEC 13818-3. Norights are granted under this license for product features or functions thatdo not conform to the ISO/IEC 11172-3 or ISO/IEC 13818-3.