Specification: Holder colour: black/white. Material: ABS. Power on: Press any key. R/L: Switch clockwise or counterclockwise. IN 5V: Micro USB 5V DC INPUT Power Off: Long press any key for 3 seconds. Operating temperature: 80℃~-10℃ Turntable diameter: 14.5 cm; height: 3.5 cm Load capacity: about 10kg (depends on the selected speed). Controllable speed, adjustable direction and angle. 3 Option: R/L for clockwise/counterclockwise. SR for speed regulation 2-4-7.5 revolutions per minute. ASA can adjust the rotation angle from 90 to 180 to 360° and then make a circle. WARM TIPS: The turntable screen has three power modes to choose from: USB cable. USB Power Bank 18650 rechargeable lithium battery (not included) Note: It is recommended to use the USB cable that came with the product to charge. It is normal that there is jitter due to rotation inertia when changing the angle of rotation.