Based on this product's specifications, here are some alternatives and similar models
Vibrator LELO ABS Silicone Black
Summary description:
The LELO Mona Wave is a curved vibrator made from high-quality ABS and silicone. It features a built-in battery with a voltage of 3.7 V and a capacity of 500 mAh. Measuring 130 mm in length and 3.7 cm in diameter, it offers a unique experience with its ambidextrous design, perfect for versatile use.