Smart cube timer with gravity sensor design, multiple preset modes, and customizable countdown, perfect for study, work, cooking, or fitness. Features: Multiple Timing Modes: Supports 5 preset countdowns (3/5/10/15/30 minutes) and customizable countdowns up to 99 minutes 59 seconds, easily switched by flipping the cube. Gravity Sensor Switching: Built in precise gravity sensor lets you start timing by placing the desired number face up, making operation simple and fun. Smart Lock and Pause Function: Auto lock after 30 seconds of no operation, the automatic screen-off design does not affect the timing. Press the button to unlock. Place the digital display face up to pause the timing and return to the original position to continue timing. Convenient Design: Compact, portable, and USB rechargeable with up to 24 months standby time and 60 hours continuous use; Attractive base attaches to refrigerators or steel surfaces. Durable Build: Made with electroplated ABS material that resists fading, ensuring long lasting durability and reliable performance. Visual and Audible Alerts: LED flashing with voice prompts at the end of countdown, ensuring you never miss a reminder. Adjustable volume with silent mode for flexible use. Specifications: Material: ABS + Hardware Size (LxWxH): 5.4 x 5.18 x 5.06cm Volume Mode: Adjustable volume levels Control Mode: Key + gyroscope orientation recognition Operation: Flip to select time Placement: Attractive / desktop Standby Time: 24 months Battery Quantity: 1 x Li ion battery (included) Battery Capacity: 500 mAh Power Supply Method: USB charging (adapter not included) Charging Time: About 1 hour Timing Options: 3/5/10/15/30 minutes / customizable Package Contents: 1 x Cube