説明

• Features: 1 Whistle sound is crisp and loud 2 Transmission distance is much for calling for help, recruiting partners and outdoors activities 3 It could be hung on tents, equipment, water bottles, backpacks, key rings and different accessories 4 Wearable, practical and handy five High frequency double tube survival whistle Specification: Size: 55*15*8MM Peak volume: 120dB Material: Aluminum alloy Weight: 14g

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