Function: 8 Frequency E-stim Butt PlugColor: BlackSize: 11.3 * 3.2 cm/4.45 * 1.26 inchInsert Length:9.5 cm/3.74 inchNet Weight: 90 g/0.20 lb/3.17 ozPower: Lithium battery/CR2025Material: ABS + SiliconePackage: OPP BagFurther: Wireless