Compatibility: Fit for Amazfit Bip U BIP U Pro, Bip 3 Pro, GTS 2, GTS 2 Mini, GTS 2e, GTR 2e, GTR 2 USB Charging Cable Cord Amazfit GTS 4 Mini, T-Rex Pro, Zepp E/Z Smart Watch Package Includes : 1 X Power Adapter, 1 X 3.3Ft Power cable Save Time Charging: Build in dynamic IC, charger IC & power fuse for rapid charging and over charge protection. The lower cable resistance make it possible to provide the fastest charging via any usb charger. If you have any questions about this project, please feel free to email us. Reliable and friendly customer service response within 24 hours. The charging cable is sold under strict quality control. Please rest assured to purchase. If there is any quality problem, please contact us and we will refund for you. If this cable is not suitable for you, If there is any quality problem and we will recommend the correct cable to you.