• Free shipping
    • FUN FACTORY offers free shipping to all EU countries, Switzerland and Norway, no matter what the order value!
  • Discreet packaging
    • FUN FACTORY sends orders in industry standard unmarked boxes with a neutral sender address “FF GmbH” without any indication of its contents.
  • MADE IN GERMANY
    • All FUN FACTORY toys are invented, developed, designed AND handcrafted in Bremen, Germany.
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    SMARTBALLS DUO

    First the training, then the climax

    • Train your body for bigger, better orgasms!
    • Insert these silky silicone balls and hold on.
    • Small interior weights roll and rumble as you move, making your muscles work harder.
    • Use regularly to prevent incontinence, recover from childbirth, maintain sexual health, and strengthen your muscles for better sex.
    • Wear them out – you’ll forget they’re there!
    • Tapered for easy insertion
    • Made of silicone & medical grade plastic – body-safe and easy to clean
    €24.90
    Price incl. VAT and shipping
    • White - India Red
    • White - Grape
    • Raspberry - Black
    • Raspberry - Neon Orange
    • White - Dark Blue
    • White - Neon Turquoise
    In stock
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    SMARTBALLS DUO – Training for experts

    SMARTBALLS DUO is the easy-to-use training partner for those who have already trained with the SMARTBALLS UNO or who already naturally have a stable pelvic floor. Especially suited for experienced users. Inserted like a tampon, the SMARTBALLS DUO adapts to the body and can barely be felt when worn. The constant and nearly soundless rotation of the inner balls works with everyday movements to set off muscles contractions thereby strengthening the pelvic floor. Short, regular training phases lead to the most effective improvements. As with any muscle group, the fitness gained goes away if training is discontinued – so even after a successful stabilization of the pelvic floor, SMARTBALLS should be continuously used for maximum results.

    • Pelvic floor training device features two velvety soft silicone-covered weighted balls
    • Designed for advanced users
    • Perfect for increasing strengthening exercises for the pelvic floor after SMARTBALLS UNO use
    • Designed for easy vaginal insertion Designed with female anatomy in mind, SMARTBALLS can barely be felt when worn
    • Not suitable for women with a dropped or tilted uterus or for those who have undergone a hysterectomy
    • The rotation of the inner balls stimulates and strengthens the pelvic floor muscles even during the most simple daily movements
    • Short but regular periods of use will produce the best results
    • Prevents stress incontinence and uterine conditions
    • Increases sensitivity for greater sensation during sex – for HER and HIM!
    • Recommended by professionals for post-natal exercises
    • Recommended by mid-wives and gynecologists
    • “Made in Germany”
    • Velvety soft, hypo-allergenic silicone and body friendly ASB plastic
    • Finger loop for “easy-in” insertion
    • Very stable silicone retrieval band for easy removal
    • Body-friendly seamless design and form simplifies insertion and cleaning
    • Discrete and quiet during use
    • Comfortable shape can hardly be felt when worn
    • Length of both balls 9.5 cm
    • Ø Ball: 3.2 cm and 3.6 cm 
    • Wear for up to 30 minutes at a time
    • Widen your sexual horizon with FUN FACTORY’s informative SMARTBALLS-booklet: "55 facts of SMARTBALLS"! 

    These SMARTBALLS make it possible to train your pelvic floor muscles in a fun way. Everyday activities suffice for the SMARTBALLS DUO to teach the inner musculature to react to movement, thereby strengthening the pelvic floor. Vaginal balls SMARTBALLS DUO with two balls are excellent for those women who have already successfully trained with SMARTBALL UNO. Muscles that are in shape lead to more sensation during sex and climaxes after the training! The extremely smooth running of the SMARTBALLS DUO as well as the steady and fast rotation of the inner balls are made possible by an innovative technology. An ergonomically formed finger hollow eases insertion. A woman can go about her everyday activities without any bother and still be training diligently. The SMARTBALLS are inserted lengthwise into the vagina with a drop of TOYFLUID, the retrieval band remains outside the body. Some may think it's too bad that using SMARTBALLS doesn't create an orgasm. But sexual experiences after the training are even more sensuous and passionate. A woman feels sensation more intensely during sex. And for the man it's a good feeling to be held more snugly. So best starting your training today!

    • SKU: 34135 - EAN 4032498341354 (White - India Red)
    • SKU: 34165 - EAN 4032498341651 (White - Grape)
    • SKU: 34308 - EAN 4032498343082 (Raspberry - Black)
    • SKU: 34323 - EAN 4032498343235 (Raspberry - Neon Orange)
    • SKU: 34151 - EAN 4032498341514 (White - Dark Blue)
    • SKU: 34173 - EAN 4032498341736 (White - Neon Turquoise)
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    SMARTBALLS have an internal device designed to trigger involuntary pelvic floor contractions once inserted into the vagina.

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    The "EASY IN"-finger mould allows for easy insertion of the SMARTBALLS.

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    The stable retrieval band is barely felt while bearing and makes removing the SMARTBALLS particularly easy. 

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    Pelvic muscles act like a sling, extending from the pubic bone to the tail bone. By wearing SMARTBALLS they are trained without effort. 

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    SMARTBALLS DUO are ideal for women who have already successfully trained with SMARTBALL UNO and want to boost their workout.

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    It’s submersible waterproof!

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    All FUN FACTORY toys are invented, developed, designed AND produced in Bremen, Germany.

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    FUN FACTORY offers a diverse and colorful spectrum of toys all made with 100 % medical-grade silicone!

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    Carefully clean the toy before first use and after each use with warm water and a mild soap. The CLEANER is especially suited for cleaning erotic toys as well as for gently washing genital areas.

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    A few drops of lubricant ensure a pleasant feeling when inserting the toy. FUN FACTORY recommend a water-based lubricant such as the TOYFLUID.

    NOTE: Contact with oils and creams (sunscreen, edible oil, lip balm, etc.) may cause irreversible damage to the control unit and the entire toy.

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    For more information please download our user manual.

    Please read this note about the use of other lubricants than the TOYFLUID.

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    Ø 1.3 in. + Ø 1.4 in. (ball), 3.9 in. (balls and link), 2.9 in. (band), 0.16 lb

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    Shipment Information

    Please click here for further information on shipping costs and additional details.