Size 1 Push and pull versionThe push and pull version is free to adjust the vibration frequency and speed.Size 2:Key version4 independent speeds, 4 vibration functionsGreat for intermediate and advanced sex toy usersSize 1 and Size 2Gyrating, thrusting shaftSwirling beads and vibrating SwanSoft, flexible jelly materialColor:pink,purpleMeasures 9 inches long and 1.2 inches wideTakes 4 AAA batteries(not included)Package Include:1 * vibratorSize 3:Material: Soft plastic + APEColor: purple, pinkSize: 24cm X 3.5cm X 8cm 9.4inch X1.36inch X 3.12inchFunction: vibration, change frequency, swing, rotateWorking time: about 2 hoursNoise: less than 50 dBBattery: 4 AAA batteries(not include)Package included:1 X frequency vibratorSize 4:1. Eight Frequency Strength To Choose.Speed: 8 speed / 36 frequency2. Internal And External Stimulation At The Same Time.3. ABS Material (Body) And Silicone Material (Head), Glaze Spraying Technology, Feel Good.4.. USB Chargeable Lithium Battery, Safe And Convenient.Battery capacity: 600m mA5. Once Full Charge Can Be Used For 45min In The Most High Power.6.Noise: 45dbPackage included 1 X advanced vibrator