◆Roduct weight:158 g ◆Product size: 85 x 39 x 117 mm ◆Audio formt: MP3/ MAV / WMA ◆Speaker: 2.5 "* 1 ◆Lithium battery: 2200 mAh ◆Charging voltage: DC5.0 V ◆Working voltage: DC3.7 V ◆Rating: 5 W ◆Model: K500 Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.