Function: 9 Frequency Vibration
Color: Black/Red
Size: 8.5 * 2.5 cm/3.35 * 0.99 inch
Net Weight: 150 g/0.33 lb/5.29 oz
Power: Lithium battery
Material: Silicone + ABS
Package: Color Box/OPP Bag
Further: Waterproof/Wireless/APP+Remote Control
Red: Wireless + APP
Black: Wireless