1. Charging voltage: 5V
2. Battery capacity: 2000mAh
3. Charging port: Type-C
4. Material: ABS, TPU
5. Size: about 24.5 x 19 x 10cm
6. Weight: about 685g

Features:
1. Three-stage airbags adapt to different hand sizes, adjusting the massage experience as needed
2. Cyclic airbag deflation delivers deep pressure, simulating multiple massage techniques
3. Three massage modes and 5 intensity levels, freely combinable to meet diverse massage needs
4. Dual-layer TPU airbags envelop the hand ergonomically, providing a refined and thorough relaxation experience
5. Intelligent constant-temperature heat therapy provides gentle hand care
6. Scientific timer with 15-minute default massage duration and automatic shutdown
7. Skin-friendly material for easy cleaning
8. Simple buttons for user-friendly operation