Portable Stirring Mug SM-01Charging voltage : DC5V-1AOutput voltage :3.7VCharging Time : 3-5 hours Lithuim Battery Capacity : 1200mAh  18650Cup capacity: 630 ml  (Glass)Whole size : 9.5x9.5x18cmN.W/G.W: 0.45/0.8kgs/pcInner box Size:9.8x9.8x21cm/pcCarton : 40x50x23cm (20pcs ) N.W/G.W:11/17KGS20'/40'/40HQ: 10560/23040/25920pcsLFGB,ROHS CERTIFICATE