Description: Product Name: F4 Gravity Induction Timer (charging) Product Color: Black, White Product Size: 44*44*46mm Color Box Size: 64*64*65mm Product Weight (bare Metal):47.5g Product Weight (including Packaging):81.3g Product Material: ABS Battery Capacity: 500mAh Operating Temperature: 0C-50C Standby Power Consumption: Sleep Power Consumption: Working Current: 11mA Charging Current: 500mA Features: 1. Two-gear Mode, Gravity Sensing/manual Mode, More Extensive Use Scenarios, Compact And Portable, Where You Are, It Is There 2.1 Seconds Flip Timer, Boot-free Settings, Built-in Gravity Sensor Chip, Can Flip The Screen To Different Modes, Fast Timing, Simple Operation 3.99 Minutes Is/countdown, Help You Control The Time On Time, DIY Custom Timing, Study, Work, Home 4. The Sound Can Be Large Or Small, 0 Decibels Walk Silently, The Whole Process Of Silent Walk Accompany Learning Without Disturbing, Three Modes Are Available 5.Type-C Charging, Low Power Consumption, Built-in 500mAh, Slow Power Consumption, Normal Can Be Used For About 6-8 Months, No Need To Charge And Frequently Change The Battery 6. Delicate Hand Feeling, Rounded Corners, Small Size, Small Size And Portable Specifications: Package Included: 1 *(1 Timer)