Magnetic charging module, the charging speed is fast, and the device can be fully charged in about 2.5-3 hours. Built-in magnetic module, put it on and it will automatically absorb and charge. Small and exquisite appearance, light and portable and easy to store. PC fire-proof casing, good heat dissipation performance, and it will not get hot after long-term use. TPE wire, soft and not broken. Smart matching, applicable to all series of Apple Wacth with system version 4-7.02. 8 Pin connector, stable connection, file transfer + charging current controlled within 2A, fast charging, not hurting the phone.