Còi xe đạp chống thấm nước sạc USB tiện dụng

Babicool Waterproof Bicycle M365 Scooter Electric Horn USB Rechargeable Mountain Road Bike Handlebar Bell Speaker Riding Cycling Accessories Feature: 1. Silicone strap with 2 levels of adjustment, suitable for handlebars from 22 to 31.8mm. 2. 3 levels of volume adjustment. 3. Long battery life: built-in 300mAh lithium battery, equipped with standard USB charging, can be fully charged in 1.2 hours, one charge can ring 2000 times continuously, about 20-30 days normal use. Red light is on when charging, green light is on when fully charged. Specification: Name: Bicycle Electronic Horn Material: ABS+PC Colour: Black Size: 66x49x26mm Net weight: 40g Decibel: 110-130db Decibel level: 3 levels Battery capacity: 280mAh Sound type: 1 type Waterproof rating: IP65 Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 X Horn 1 X Chinese/English Manual 1 X Silicone Strap (Colour Random) 1 X USB Charging Cable (Colour Random)