Gocomma 3-in-1 Smart USB Charging Bike Computer Cycling Headlights Speaker Lamp - Black with bike computer

Main Features:
● Upgraded version of the high-brightness bead, lumens up to 1500, comprehensively enhance the illumination, long range, long life, low power
● Magnetic head sensor code meter, smart battery display, anti-glare design
● Can be connected to the cable code table, observe speed, time, speed, full range, one way, etc.
● Four lighting modes are switched at will, and different lighting conditions switch between different lighting conditions
● Wide range of no blind spots, riding worry-free
● Life-saving rain-proof waterproof design, safe and durable
● Large-capacity built-in lithium-ion battery, USB charging design suitable for a variety of charging film modes
● 120dB loudspeaker, six sound modes, one-second switching, loud sound, better warning
● Sliding buckle rubber base, easy to install and disassemble, convenient and firm

Specifications:
● Material: ABS
● Charging time: 2 - 3h
● ODO full kilometers
● DST one-way kilometers
● MAS max speed
● AVS average speed
● TM riding time