USB charging mountain bike taillight

[Name] USB charging tail light
【Power source】Lithium battery
【Weight】45g
[Color] red light, white light, blue light
【Lamp holder】Super bright LED lamp holder
【Size】2cm*7.3cm*2cm
[Mode] Constant light, slow cycle, burst flash, fast cycle
【Applicable pipe diameter】Suitable for seat tubes within 4cm
[Use time] The charging time is 2 hours, the use time is 6 hours
[Features] High-brightness LED lights, use rechargeable lithium polymer batteries, automatic full-charge shutdown system,
Sleek and stylish design, sealed and waterproof. The slender and neat shape is matched with the prismatic road light column design,
Ultra-wide-angle irradiation range provides more safety protection. The newly designed elastic straps are firm
Installed on car bodies of various shapes and pipe diameters.
Some friends say they cannot be turned on after receiving the taillights. Here are some special instructions for use:
Long press the button for about 2 seconds, the lamp body is turned on
Short press the switch to change the mode
Long press the button for about 2 seconds, the lamp body will turn off