LED waterproof headlight with speedometer odometer and bike horn 120 high decibel speakers loud, 3 in 1 functions smart cycling accessories mountain bike light, 150degree floodlight, one-touch, USB inteface, Rechaegeable 1500mAh Lithium Battery, Life-grade waterproof, 4 modes light, Bright light, weak light, flashlight, yellow light, let you have more safety cycling in the night …
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