eMart Kids Mini RC Toy Remote Control Boat Submarine Ship Electric Toy Waterproof Diving in Water for Gift - Yellow Mini Sized Remote Control Submarine, It Can Diving into Water, Great for Gift Comes with Built-in Battery and USB Charger Cable, Easy for Charging Multi Function: Forward, Backward, Turn Left/Right, Diving, Floating Upward Working Time: 15 - 20 Minutes, Product Size: 15 x 6.8 x 4.5 cm Controller Battery: 4 x AA Battery (Not Included); Color Blue: Asin B01EJ19IM6