Product name: Roller massagerProduct Model: 109145Material: ABSProduct color: gray + whitePower supply: USB charging modelCharge time: charge for 4 hours, use about half an hourUsage time: 15 minutes/dayGear adjustment: one button on, high and low two gear;Product size: 12*9*5cmWeight: host 0.262kg with rollerPacking size: 20.6*16.3*7.4cm, 0.41kgPacking: English boxProduct list: English color box + blister + host + triangle wheel +USB charging cable + English instruction manual