Factory #: DXH042
Product size:  57.3 x 44.2 x 42.59mm / 2.25 x 1.74 x 1.67"
Working time: Charging 2.5H / High Speed 45M / Low-Speed 90M. 
Materials: Food-grade liquid silicone
IPX7
10 Functions of Vibration
USB rechargeable
Latex Free
Nickel Free 
Phthalate Free