? MOST POWERFUL REAR BIKE LIGHT AT ITS PRICE POINT---- Unlike some bike lights that make false claims, our B2, with 36 COB LEDs, has a real, lab-tested output of 110 LUMENS, it's perhaps the most powerful rear bike light under 30, to be a competent daytime bike turn signal with a wide 150 degree beam angle and 150m visibility for safety. ?5 STYLISH LIGHT MODES---- In addition to the common common/flash modes in RED, this waterproof bike light offers 3 other striking settings: Steady in BLUE, Flash in BLUE, Strobe in RED and BLUE, which calls for a lot of attention and your visibility is absolutely guaranteed! ? RECHARGEABLE USB WITH A DECENT BATTERY LIFE---- 2 hours of charging = 4 to 10 hours of duration (limited by its compact size and amazing brightness). For fast charging, simply connect rear bike headlight to n' ...