Feature

●Country of Origin: China (Designed, inspected, and packaged in Japan).
●Size: Total length: Approximately 5.4 inches (135 mm), Whistle: Approximately 0.3 inches diameter × 2.0 inches long (7 × 50 mm).
●Weight: Approximately 0.6 oz (15 g).
●Material: Brass (chrome plated).


Description

Whistle produces treble even when blowing light Even if you make a loud voice in the mountain, you wont reach far away. When the temperature drops in the mountain and lowers your body temperature, you wont lose loud voice. We recommend carrying it with you to prevent danger due to whistles in some cases. Whistle with phone strap In addition to mountain walks, it is also useful for disaster preparedness as it is always with your mobile phone.