Note :Product dimensions: 138*35mmPower supply mode: USB power supply/storage power supply/external battery (battery is not included)Features1, the third speed regulation is 2-4-6 revolutions per minute respectively2. The maximum load-bearing capacity is 4 kg-3 kg-2 kg according to different rotating speeds.3. Forward and reverse rotation function.4. Set the round-trip rotation function according to the rotation angle. The round-trip rotation angles can be set to 45-90-180-360 degrees respectively.5. There are four power supply modes to choose from: USB direct insertion AC power supply, USB charging treasure power supply, three ordinary 7th batteries power supply, 18650 rechargeable lithium battery power supply.Description1.Power ON:touch any keys.2.R/L:switch to clockwise or counterclockwise.3.SR: speed regulation,2r/4r/6r/min.4.ASA:angle regulation,45/90/180/360 circulation.5.IN 5V:USB 5V DC IN.6.Power OFF:long press any keys for 3 seconds.7.1865 lithium battery or 3 AAA battery(not include).8.Charge LED indicator(built-in):red-charging,green-fully chargedPakcage:1x photograohy rotation standNote: battery is not included