<br>Electronic Whistle for Coaches, Referee, Teacher; 3 different tones; 120-150 dB sound power; USB charging Electronic Whistle</b><br> <br> <br>Description:</b> <br> -Playing an electronic whistle, 3-tone, 120 dB, specific direction <br> -The whistle is louder than the standard whistle, and it can point the sound in a specific direction away from the user <br> -Three unique shades can help athletes distinguish between coaches and officials in sports events and team exercises <br> -Can LED lighting, it helps user more effective work <br> -Sports activities, referees, coaches, teachers, ball games, boating, running, animal training, camping and other outdoor activities <br> -Comes with a detachable wrist loop lanyard <br> <br> <b>Specification:</b> <br>Material: ABS <br>Size: 136 * 40 * 38mm <br>Color: Black <br>Weight: 97 grams <br>Decibel: 120db <br>Sound mode: 3 kinds of sounds <br>Charging time: 3-4 hours <br>Working time:> 2 hours <br>LED light function: light signal, night lighting <br>Volume adjustment: 3 volumes for each tone <br>Battery capacity: 1200mah rechargeable 18650 lithium battery <br> <br><b>The package includes:</b> <br>1pc Electronic whistle <br>1pc 2000mAh Rechargeable Lithium Battery <br>1 USB charging cable <br>l Anyard <br> <br> <br><b>Note:</b> <br>After receiving the product, please use it after fully charged! <br>Charging time: 3-4 hours.