WensLTD USB Charge Bicycle Light Silica Rear Light Riding Warning Lamp silica gel Bike flashlight with USB charge. Charge Time:About 2 hours Size:7.5*3*2cm/3.0*1.2*0.8" Battery:Rechargeable lithium battery(include) Package Content: 1PC Bike Ligh+1PC USB charging cable+1PC Rubber straps