[Easy to Use]: Preset time options of 5, 10, 30, and 60 minutes. Simply turn the timer so the numbered side is facing up to start the countdown immediately. Custom countdown and timing functions are available. Features include pause and resume, mute, vibration alert, and adjustable alarm volume.[Applicable Scenarios]: This flip timer is ideal for learning, reading, kitchen cooking, work, meditation, fitness training, yoga, and more. A great gift for children, friends, and family members to support effective time management.[Compact & Rechargeable]: Measuring 1.73 x 1.73 x 1.73 inches and weighing only 1.68 ounces, this timer fits comfortably in the palm of your hand and is easy to carry in any pocket or bag. It is rechargeable via USB-C with a built-in lithium battery, eliminating the need for replacements and supporting environmental sustainability.[Simple Design]: Featuring a sleek cubic design with elegant tones, this timer is not only functional but also a stylish addition to home or office decor.Product Operating Instructions:Timer Mode: Rotate the button to select preset times of 5, 10, 30, or 60 minutes. The countdown starts automatically when the selected number is facing upward. Flip the device face down to stop and reset the timer.Manual Mode: Turn the button to manual mode. Use the M/S button to adjust the desired time. Press the middle SP button to start the countdown.Counting Up: 1. When the display shows 00:00, press the SP button briefly to begin counting up. 2. During timing, press the SP button briefly to pause or resume. 3. While paused, press and hold the SP button to reset the timer.Countdown Settings: 1. Press the M/S button briefly to increase time in increments; press and hold to increase quickly. After setting, press the SP button to start. 2. During countdown, press the SP button briefly to pause or resume. 3. While paused, press and hold the SP button to clear the timer. 4. When the countdown reaches 00:00, an alarm will sound for one minute with LED screen indication.