1. Product Basics

- Weight (including packaging): 81.3g 

- Packaging: Thin - corrugated color box 

- Material: ABS 

2. Product Parameters

- Battery capacity: 500mAh 

- Working temperature: 0°C - 50°C 

- Standby power consumption:<20uA 

- Hibernation power consumption: <150uA 

- Working current: 11mA 

- Charging current: 500mA 

- Volume settings: Mute/Vibration, Loud (90 - 100DB), Quiet (70 - 80DB) 

3. Operation Instructions

- Gravity Mode (Mode 1): Flip the switch to this mode. Flip the device with 5 - 10 - 30 - 60 minutes side up to start countdown. Flip the screen up to pause, and flip the screen down to reset the timer. 

- Manual Mode (Mode 2):    

- Positive Counting:        

1. When the display shows 00:00, short - press the [SP/ST] key to start positive counting.        

2. During counting, short - press the [SP/ST] key to pause/resume.        

3. In pause state, long - press the [ST/SP] key to clear.    

- Countdown Setting:        

1. Short - press the [M/S] key to incrementally adjust the countdown time. Long - press it for rapid adjustment. After setting, short - press the [SP/ST] key to start.        

2. During counting, short - press the [SP/ST] key to pause/resume.        

3. In pause state, long - press the [ST/SP] key to clear.        

4. When the countdown reaches 00:00, there will be a one - minute alarm. The alarm cycles between “beeping with LED on” and “sound off with LED off” in 1 - second intervals. In mute mode, there is vibration alert.        

5. Memory mode: After countdown ends, short - press the [SP/ST] key again to show the set time. Long - press the [ST/SP] key to clear. Short - press to cycle. 

4. Precautions

- The product will auto - hibernate if the user forgets to turn it off or there is no operation for 5 minutes. 

- The alarm duration is 1 minute after positive/countdown ends. 

- After hibernation, in gravity mode, it can be used by flipping; in manual mode, it can be adjusted by pressing. 

- In mute mode, there is vibration feedback at the end of timing or for any operation. In volume mode, there is a “beep” feedback for operations. 

- When the battery level is below 10%, the screen flashes to remind charging. The charging indicator is red during charging and turns green when fully charged.