Bicycle Parts bicycle Light Outdoor Mountain bike Rechargeable Led Taillight Usb Rear Tail Safety Warning Cycling Light Portable Flash Light Description: USB rechargeable taillights Automatically filled with electric cut off the system Smooth fashion design, sealed waterproof Slender appearance with a prism-shaped road beam design Ultra wide angle of the irradiation range, to provide more security protection Newly designed elastic straps, speak solid Mounted on a variety of different shapes of body diameter Use time: 2 hours of charge The use of up to 6 hoursHigh brightness LED lights The use of rechargeable lithium polymer battery Lamp: Super bright LED head Mode: always bright, slow cycle, burst flash, fast cycle Applicable diameter: suitable for within 4cm of the tube coloras shown size:8.5x2.5cm lithium battery Package Included: 1*Bicycle taillights 1*USB charging cable 1*Rubber band Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad