1、TWO OPERATING MODES: Gravity timer has gravity sensing and manual modes, one second flip timer, no need to set up at startup, built in gravity sensing chip, you can rotate the screen to different modes for quick timing, easy to operate. 2、WIDE SCENES: Cube timer is a helper for time management, scientific timing method, 99 minute positive or negative countdown, help you track time on time, personalized time, study, work, home, convenient for different timing scenes. 3、SILENT RUNNING: Digital cube timer has adjustable sound level, 0db, runs quietly, ensuring that work and study are not disturbed. Three modes are available, so you can adjust it according to your needs. 4、LOW POWER CONSUMPTION: Gravity timer adopts Type C charging, low power consumption, built in 500mAh, slow power consumption, normal can be used for 6‑8 months, no need to frequently charge and replace the battery. 5、PREMIUM MATERIAL, COMPACT DESIGN: The digital cube timer is made of durable and environmentally friendly plastic, delicate touch, rounded edges and corners do not pinch your hand, compact and portable. Item Type: Gravity Timer Material: Plastic Weight: Approx. 79g/2.8oz Size: Approx. 46x44x44mm / 1.81x1.73x1.73in Use: Timekeeping Maximum Count: Gravity Mode: 5 10 30 60 Minutes, Manual Mode: 99 Minutes and 59 Seconds Battery: Lithium Battery, 500mah (Shipped with Built In Battery) Operating Temperature: 0-50℃ Volume Level: Silent or Vibration, Loud 90-100db, Whisper 70-80db 1 x Timer 1 x USB Cable 1 x User Manual