Material: food-grade silicone + ABS
Regular color: powder blue
Function: 8 frequency vibration
Product size: 90*50mm
Noise: 40db
Waterproof grade: IPX6
Battery model: 751525
Voltage: 3.7V
Power: 0.88W/H
Battery capacity: 230mA
Battery material: (nickel/cobalt/manganese) lithium oxide