Product selling points: 1.IP67 waterproof 2.Multiple health monitoring 3.NFC 4.GPS 5.Multiple sports mode Product parameters: ☀ Bluetooth: BT5.0 ☀Screen Size: 1.53 inch ☀Screen resolution: 360*360 ☀Touch type: full screen touch ☀Battery capacity: 300mAh ☀Charging method: wireless charging ☀Waterproof rating: IP67 waterproof rating ☀Compatible System: Android 4.4 (including) or above, IOS9.0 (including) or above ☀APP: RDFit