Features: Cable Length: 80cm. Mini and good: Charge your device more securely when connected to USB power source on PC, Laptop notebook and mobile phone USB charger. Product application: Please measure the distance between the magnet charging port of the your smartwatch before purchasing.(Measurement method: Measure whether the distance between the center point of two magnet charging ports is equal to 2.84mm 0.11in) Good replacement, make charging more convenient wherever in home, office travel. If there is any problem with the product, please contact us at the first time, we will give you a full refund unconditionally.