Music Massager, body massager,health care product,Massager,support MP4,player: Massaging and listening ... .Power3.7V400m lithium battery 2.Rating current≤50mA3.product Size69*38*13.5mm4. display size128*64 Dot ... -matrix display5.product weight 20g (including the lithium battery)6.Memory1G ... :5 PINMusic Massager, body massager,health care product,Massager,support MP4 player