explain
[Professional Cycling Backpack]: The LED cycling backpack has a capacity of 15L and a weight of 480g. It can be fully adjusted with a belt, chest strap and waist belt, making it more comfortable. Breathable shoulder straps are wide and can distribute weight. The ergonomic backpack design provides a comfortable backpack. Conditions can be guaranteed
[LED flashing]: The LED display consists of 30 LED lights. The LED display is controlled by the remote control installed on the handlebars and can switch between four modes: forward, left, right and stop. Change the mode for better warning effect. From flashing light to tail light, remind the driver to keep distance. Provides a safer early warning effect in fog.
[Waterproof wireless remote control]: The wireless remote control is protected by a PC+ABS waterproof shell. LED ensures safe driving. If multiple users use wireless signals at short distances at the same time, the wireless signals will not interfere with each other.
[USB rechargeable battery, longer battery life]: The LED flash backpack has a 500mAh rechargeable lithium battery, which can be charged by connecting the computer to the USB port or a mobile power source. It can be used continuously for 12-15 hours all day, and the charging time is about 3 hours.
[Waterproof cycling backpack]: The cycling backpack is made of waterproof and tear-resistant nylon and polyester fiber. PC+ABS waterproof casing protects remote control and electronic components. Let you be carefree in the rain.