F4 Gravity Sensor Flipping Digital Timer Mini Cube Countdown Alarm Clock Cooking Study Stopwatch - White<br> [Two Modes] This timer features gravity-sensing flip countdown with a built-in gravity sensor chip. Flip the numbers 5/10/30/45/60 to the top to start the countdown, offering simple and intuitive operation. Manual mode allows for customizable timing, functioning like a standard digital timer, ideal for studying, working, and home use<br> [3-Level Volume Alert] Choose from three alert volume levels to suit your environment. Maximum volume (90-100dB) ensures loud and clear alarms for important reminders, even from another room. Medium volume (70-80dB) provides audible alerts without distraction, suitable for reading or light tasks. Silent mode (0dB) uses a visual flash alert, perfect for quiet environments like study rooms or libraries<br> [Compact and Rechargeable] Designed with a compact form factor, this timer is portable and fits easily into pockets or bags. Equipped with a built-in 500mAh rechargeable lithium battery and USB-C charging port, it eliminates the need for disposable batteries, offering an eco-friendly solution<br> [Multi-Scenario Application] This digital rotating timer is designed for students and family use. Suitable for cooking, studying, working, fitness, yoga, beauty routines, and gaming, it helps manage time effectively and supports time management skills for children<br> Specifications:<br> Product material: ABS<br> Product size: 44*44*46mm / 1.7*1.7*1.8 inches<br> Battery capacity: 500mAh, 3.7V<br> Working temperature: 0-50°C<br> Standby power consumption: Low power consumption design