Optimal product title: Bluetooth Stereo Dancing Robot - Intelligent Programming Spaceman

Product information:
Speaker: 32/5W * 1
Battery: 3.7V/1800mAh
Size: 112mm * 178mm * 84mm
Charging: Type C
Interface: Type C; TF card slot
Working hours: 4 hours (70% volume working)
Charging time: 2.5 hours
Bluetooth version: 4.2
Bluetooth working distance: 10m
Material: Plastic