F4 Gravity Sensor Flipping Digital Timer Mini Cube Countdown Alarm Clock Cooking Study Stopwatch - White •[Two Modes] This timer features gravity-sensing flip countdown with a built-in gravity sensor chip. You can flip the numbers 5/10/30/60 to the top to start the countdown,making it simple and straightforward to use. The manual mode allows for DIY customization,similar to a regular digital timer,perfect for various scenarios such as studying,working,and home use •[3-Level Volume Alert] Choose from different volume reminders to suit your environment. The maximum volume (90-100dB) is ideal for important reminders,ensuring you won't miss the loud alarm even if you're in another room. The medium volume (70-80dB) is suitable for reading without distractions,while the silent mode (0dB) is perfect for study rooms or libraries,with a flash alert that won't disturb others •[Compact & Rechargeable] Compact size,this timer is easy to carry and can fit into any pocket or bag. Its rechargeable lithium battery and USB-C charging port eliminate the need for extra battery purchases,making it more environmentally friendly •[Multi-Scenario Application] This new-generation digital rotating timer is suitable for students and the whole family. Whether it's a kitchen cooking timer,work,study,sports,fitness,yoga,beauty,or gaming,it helps you accurately manage time,effectively assisting children in cultivating a sense of time balance between entertainment and learning •Specifications: •Product material: ABS •Product size: 44*44*46mm/1.7*1.7*1.8 inches •Battery capacity: 500mAh,3.7V •Working temperature: 0℃-50℃ •Standby power consumption: