1. Made of high-quality PP material, lightweight, portable, wear-resistant and durable 2. Double-opening design, high-frequency, the sound has strong penetration in different environments 3. Equipped with a lanyard, easy to carry and can effectively prevent loss 4. Weight: 12 grams 5. Size: 7.2x1.5x2.4 cm 6. Rope length: 19.5 cm
