Our company has a professional development team that helps customers develop solutions for free
This is a relatively representative MCU development solution for (adult male products) aircraft cups

Function
Vibration motor
Telescopic motor
The speakers (headphones) produce sound
3.7V lithium battery
Input power supply: DC5.0V/500mA
Standby power consumption: Less than 10UA
Charging current: 500mA
When charging, the indicator light is on for breathing and remains on for a long time when fully charged.
2. Press and hold the motor key for a long time to turn on the vibration and telescopic motors. Press and hold the 10-frequency switch for a short time. Press and hold the motor key for a long time to turn off the vibration and telescopic motors.
3. Long press the sound key to turn on the sound and long press the sound key to turn it off.
4. Low battery alert and low battery protection when the battery level drops below 10%
5: Supports custom development of functions