Note: This product does not include a batteryProduct function description1. Three pace adjustment: 7.5 rpm-4 rpm-2 rpm2. Maximum load-bearing potential is divided in line with the speed, up to 10KG.3. Forward and reverse rotation function.4. Set the round-trip rotation function according to the rotation angle, and the round-trip rotation angle would be set to 90-180 degrees.5. Three strength supply modes are available, namely USB direct AC energy supply, USB strength bank energy supply, and 18650 rechargeable lithium battery energy supply.Manual:1.Power ON: contact any keys.2R/L: swap to clockwise or counterclockwise.3.SR: velocity regulation, 8s、15s. 30s/r.4.ASA: angle regulation,90° /180° circulation.5.Micro USB: 5V DC IN6.Power OFF: lengthy press anys for three seconds.7.Power delivery prompta.In the case of no 18650 battery installed: the light could be inexperienced when the machineis no longer started when the USB power is supplied, and purple when the mechanical device is turned;b.In the case of 18650 battery connected(without USB connection), the light willnot shine whether the mechanical device is started or not;c.When both battery installation and USB connection exist: USB strength supply ispreferred; when USB is unplugged, the mechanical device with battery works normallyd.When either the battery installation and THE USB connection exist: if the machinedoesn't work,both are vibrant red, but the USB can charge the 18650 battery.8.Charge LED indicator(built-in):red-charging,green-fully charged.Features:1. Product dimensions: diameter 146MM*height 40MMMatched with 18CM disk-22CM disk2. Product internet weight: 0.42KGPackage include:1*Turntable1*18cm plate1*22cm plate1*Remote control