Electronic Whistle with USB Charging – 3 Tones & 3 Volume Loud Whistles for C…
WIDELY USED Electronic sports whistle referee whistle, coach whistle, teacher whistle. party favors whistle & more.
ZHT Electronic Whistles for Referees with USB Charging, 3 Tone High Volume Emerg
If you love Sports and Outdoor Activities ,we will provide what you want, and give your much surprise. Color: Black. Not satisfied?.
ZHT Rechargeable Electronic Whistle for Coaches Referee Teacher, Smart Light …
Independent lithium battery were not sold with the product. USB direct charging saves on battery costs. - Sport Electronic Whistle, 3-Tone, 120 dB, Specific Direction. Sound mode: 3 tones. If you love Sports and Outdoor Activities ,we will provide what you want, and give your much surprise.
Electronic Whistle 3 Tone High Volume with Lanyard for Coaches Referees
Simply press the button gently to emit a clear and loud whistle, which is labor-saving and safe. Its unique design is suitable for referees, coaches, physical education teachers and outdoor sports enthusiasts, etc.Requires AAA batteries (not included).