DMM MALE MASTURBATOR, YOU DESERVE IT. We upgraded the old masturbation sex toy, improved on the original features, and added new function, if you are interested, then have one! DOUBLE FUCTION, DOUBLE STIMULATION. The Automatic Male Masturbator can be combined to play with the functions of moving and vibration, so as to enjoy the pleasure of double stimulus. 5 speeds and 5 frequencies to move up and down, 16 beads in each layer roll up and down in the masturbator liner, wrapping your \"big thing\", every speed, every enjoyment. In addition, we added a vibrating bullet on the top of the masturbator liner, which is also 5 speeds and 5 frequencies. It irritates your glans on the top of your \"big thing\". Double stimulation, different modes, multiple orgasms. In order to better enable more people to use this masturbator, we have added an extendable spring to the ring of each layer, which can extend the diameter of 1cm, so that your \"big thing\" can enter better! FOR TRAINING- The masturbator is not just for you to enjoy orgasm. You need use the automatic masturbator to make your sex time last longer. Masturbator\'s one-click pause function can make your \"big thing\" get a good workout. When you want to orgasm, suspend the operation of masturbator, wait until the sensitivity decreases, you resume the operation of masturbator again, repeat several times, and wait for you to use masturbator to exercise in the same way for a while, then it will work !! PRODUCT PARAMETERS Product material: ABS, TPE Product specification: 250 X 95mm Function: 5 speed X 5 frequency Waterproof: Only inner(Don’t wash the device). Weight: 660g Noise:≤60dB Battery type: lithium battery, 2200mA Charging method: USB charging Charging time: about 180mins Use time: about 1 hours