Referee Electronic Whistle Training Tool High Decibel for Soccer Basketball Competition

Features: 1.Made of quality material, sturdy and durable. 2.Lightweight, easy to carry and use. 3.2 sound effect modes, clear and loud tone, suitable for different occasion. 4.Handle-held design, easily operate without using mouth, will not hurt your ears. 5.Designed for sport competition referee, like soccer, basketball, etc. Specifications: Material: ABS Color: Yellow Battery: 4 x CR2032 cell battery(not include) Packing List: 1 x Electronic Whistle .1 x Lanyard