Product information:
Power supply mode: Battery
Color: 1 model, 2 models, 3 models, 4 models, 5 models, 6 models, 7 models, 8 models, 9 models, 10 models, 11 models, 12 models
Material: Plastic/plastic
Electric or not: Yes
Specification: 7.5*2 * 3.5cm