Split type multi-function key, increase cycling .
The split-type handlebar controller, which is separated from the speaker, installed to the thumb of the handlebar for easy keystroke and sound switching.
Waterproof, drop-proof and dust-proof, meet normal daily use. Please close the waterproof cover after charging so as not to wash out the rainwater.
USB charging, 180 days standby, built-in 280mAh lithium battery, equipped with standard micro USB port, 1.2 hours can be full charged, charging once that can be continuous ringing 2000 times, about 20-30 days normal use. Red light on when charging, green light onwhen charged full.
Suitable for bike, electric scooter.