3-In-1 Wireless Bike Light Set Blue Upgrade Adult Helmet and fast flashyou can customize

and fast flashyou can customize brightness based on terrain and traffic conditions

BEAUMONT 6461 KOOMBERKINE 6472 BEACON 6475 BOORALAMING 6479 MUKINBUDIN

Ergonomic SupportErgonomically shaped to fit naturally in your hands

Bottom Bracket: 68mm L:124

3-In-1 Wireless Bike Light Set Blue Upgrade Adult Helmet and fast flashyou can customizeFeatures: Multifunctional three in one design: code meter, front light, and speaker Wireless transmission for accurate and complete data Integrated 120 decibel electric speaker with three sound options USB link for controlling lights and speakers Long press for ten seconds to switch sound High brightness T6 double lamp holder Specifications: Light Source: T6x 22 Brightness: 800 Lumens Waterproof: Life Level Waterproof Built In Battery for Headlights: