Cycling Electronic Horn

MTB Mountain Road Bike Electronic Horn USB Rechargeable Electric Scooter Bicycle Handlebar Sound Alarm Ring BellFeature:1. Silicone strap can be adjusted in two gears, suitable for 22-31.8mm/0.87-1.25in handlebars;2. Both buttons can control the horn;3. Ultra long endurance: built in 280mAh lithium battery, equipped with standard for Android USB charging, 1.2 hours can be fully charged. It can ring 2000 times continuously after charging. About 20-30 days of normal use. The red light is on when charging, and the green light is on when fully charged.Specification:Material: ABS + PCColor:Black,Red,Green,BlueSize: 66x49x26mm/2.6x1.93x1.02inNet weight: 40gDecibel: 120dBBattery capacity: 280mAhSound quantity: 1 style