features: 1. Thicker Cores Charge More Stable . The internal use 28/22AWG thick tinned wire core, plus multi-layer shielding, fast charging can ensure stable transmission at the same time Tinned copper core Earth wire Aluminum foil PVC outer cover 2. 2-pin Contacts, Automatic Magnetic The metal contact is about 2mm high, which makes the contact point with the watch more sensitive, ensuring stable charging 3. Not Easy To Fall Off Don't worry about the watch slipping off, you can charge more safely 4. Real Machine Mold Opening After the charging stand is aligned with the interface, it fits the watch, charging efficiently and safely 5. Non-breaking, Tough And Durable The usb interface is fully packaged, and the connector is reinforced to prevent disconnection, bringing you longer protection 6. Applicable To A Variety Of Models Meet the needs of different equipment 7. Smart protector Safe, Stable And Fast Filling The built-in smart chip automatically recognizes and matches the current required by the device, stable and fast charging, no hot, no damage to the device