Email format error
Email cannot be empty
Email already exists
6-20 characters(letters plus numbers only)
The password is inconsistent
Email format error
Email cannot be empty
Email does not exist
6-20 characters(letters plus numbers only)
The password is inconsistent
 
	
	
          *    All-road intelligent brake sensing   
*    Smart start/stop/dual mode        
*    Aluminum body + double bracket (Saddle and Seatpost)
*    Waterproof and dustproof (IP6)     
*    30H+ battery duration        
| Model | Q3 | 
| Material | aluminum alloy + plastic | 
| Working mode | slow flashing-breathing-burst flashing-constant light | 
| Endurance time | 12-30H | 
| Charging time | 3H | 
| Waterproof grade | IPX6 | 
| Battery capacity | 300mAh | 
| Charging interface | USB charging cable | 
| Colour | Black | 
| Weight | 33g | 
| Size | 40*34*34MM |