Features: The three speed regulation is 2-4-7.5 revolutions per minute respectively. The maximum bearing capacity is 8kg. Forward and reverse rotation function. Set the round-trip rotation function according to the rotation angle. The round-trip rotation angles can be set to 90-180 degrees respectively. Can be powered by USB cable or battery(battery not included), so it's convenient to carry it everywhere you want. Specifications: Color: black suede, white suede, black mirror, white mirror (optional) Material: ABS Power ON: touched any keys R/L: switch to clockwise or counterclockwise SR: speed regulation, 2r/4r/7.5r/min ASA: angle regulation, 90/180 circulation Power OFF: long press any keys for 3 seconds Capacity: 0-8kg Item size: 200 * 200 * 40mm / 7.9 * 7.9 * 1.6in Item weight: 282g / 10.0ounce Package size: 205 * 205 * 50mm / 8.1 * 8.1 * 2.0in Package weight: 369g / 13.0ounce Packing List: 1 * Turntable 1 * USB Cable (Battery is not included!)