Electronic Whistle USB Rechargeable 120-150dB 3-Tone ABS Plastic for Referees Coaches

Electronic Whistle USB Rechargeable 120-150dB 3-Tone ABS Plastic for Referees Coaches Περιγραφή

Product Details 1. Contact-free design avoids saliva spatter, suitable for referees, coaches, teachers and outdoor activities 2. 3 high-volume tones (120-150 dB) meet different needs, easy to get attention in various situations 3. USB rechargeable, provides 4 hours of continuous use, eliminates battery replacement costs 4. Built-in LED light assists in dark environments, practical for night activities 5. Ergonomic design enables one-handed operation, detachable lanyard for easy carrying Specification 1. Material: Plastic (ABS) 2. Colour: Black 3. Sound volume: 120-150 dB 4. Working time: Up to 4 hours 5. Charging method: USB direct charging Package Contents 1. 1 x Electronic Whistle 2. 1 x USB cable (colour and style random) 3. 1 x Lanyard (colour and style random) Warm Tips 1. Light reflection may cause slight colour difference between pictures and actual product 2. Allowable measurement error: +/- 1-3cm 3. Keep the whistle dry and avoid exposure to extreme temperatures 4. Charge fully before first use for optimal performance