1. Mecha style, tough and mechanical 2. Detachable bullets, multiple ways to play 3.Y ring design, continuing the classic 4. Novel style and differentiation 5. Bullet waterproof design Function: 9 Frequency Vibration Color: Black Size: 7 * 5.7 cm/3.9  * 2.0 inch Net Weight: 40 g/0.08...