Features 1. Four power supply options: USB direct plug, AC power supply, and USB power bank. 2. Forward and reverse rotation function with adjustable reciprocating rotation based on rotation angle. 3. Three-speed settings with four angle display options. 4. Fast charging in 3 hours; battery life approximately 8 hours. Specifications: Colors: White, Black Power on: Touch any key R/L: Switch between clockwise and counterclockwise rotation SR: Speed regulation with 2r, 4r, 6r per minute settings ASA: Angle adjustment with 45, 90, 180, 360 cycle options Power off: Long press any key for 3 seconds Battery: Requires 3 x AAA batteries or 1 x 18650 battery (battery not included) Product dimensions: 138 x 138 x 35 mm Package included: 1 x Turntable 1 x USB Cable