Specifications: Item Type: Rotating Display Stand Material: ABS Color: White Black Types: A B Speed: 8/15/30 seconds/circle Product Load: 10KG Speed Control Way: Three Lecels Manual Speed Control Power Interface: 5V-USB Interface Rotation Method: Rotate Left And Right Battery: USB Power Supply/1Pc x 18650 Rechargeable Battery(not included) Switch On: Click any of the buttons above to start Shut Down: Press and hold one of the above buttons for 3 seconds to shut down R / L: Direction Change SR: Speed Adjustment ASA: Angle Adjustment lN-5V: USB Power Socket Charging Time: 3H Maximum Continuous Working Time: 6-8H Size: About 146 x 35mm/5.75 x 1.38inch(D x H) Package Includes: 1Pc x Rotating Display Stand 1Pc x USB Cable Using Explain: 1. Power on: Power on with any key and short press to operate. 2. R/L: Switch clockwise and counterclockwise short press the button to operate. 3. SR: Speed switch 8 seconds 15 seconds 30 seconds/lap short press operation. 4. ASA: Angle switch 90 degree round trip 180 degree round trip short press operation. 5. IN 5V: Micro USB 5V external power supply. 6. Power off: Press any key to power off long press for 3 seconds operation.