Please note: To ensure that the charging cable can charge your watch,we will send you two charging cables [one black (S-+N) and one white (S+- N)] with opposite polarity.Only one charger is compatible.If the black charging cable does not support your watch,please try a white charging cable. Attention: OnIy suitable for spacing of 0.11in(2.84MM).Not for 0.16in(4MM) or others.Can use the plug of USB-A(Type-A) to measure the spacing(Refer to picture 2).Step 1：Compare the USB-A plug's long side with the watch's charging port.Step 2：Compare the plug's short side (part) with the watch's charging center point.If same as the picture,it fits；if not same, it not fits.Please refer to the other pictures to check the compatible model of the watch. The following watches are not compatible, do not buy them:AcclaFit、Aeac、AGPTEK LW11、AGPTEK LW31、AZTTKIA、Blackview、BIGGERFIVE etc.(For more incompatible models, please refer to the Product Description) Fast Charging Speed:Design to charge your smartwatch as fast as an original charger cable.Do not worry this replacement charging cable is wasting precious time. Enhanced Durability:With 6000+ bend lifespan and reinforced cable joint, this charger is more than ready to handle the stresses and strains of daily use. Safety & Reliability:Charging Cord includes built-in over-current, over-voltage, short-circuit and over-temperature protection.Premium Quality Copper Wire and Pin Gold-Plated ensure charging safety and reliability. What You Get: 3.3Ft replacement smart watch charger cable [ one black (S - + N) and one white (S + - N) ], our 12-month guarantee, and 24-hour friendly customer service. Sinoacc Smart Watch Charger for Skg Letsfit Cubitt Yamay Willful Fitpolo Tozo Wyze Umidigi Blackview 3.3Ft USB Magnetic Charging Cable Cord for Umidigi Uwatch 3S 3 2 2S Urun Smartwatch