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Safe Silicone Smart Ball Vibrator Kegel Ball Ben Wa Ball Vagina Tighten Exercise Machine Sex Toy for Women Vaginal Ball

Main material Medical grade silicone + ABS
Vibration frequency 1*9 vibration mode
Size "Single ball: 125mm*33mm*33mm
Double ball: 170mm*33mm*33mm
Remote control: 70mm*35mm*15mm"
Battery capacity: Lithium battery 3.7V/50mAh
Charging time 30 minutes
Working time 35-60 minutes
Charging mode USB charging
Maximum noise <50 decibels
Waterproof performance IPX7