Mental & Physical Readiness Analysis. Dual-band GPS with Industry-leading Accuracy. BT Calling. Maps & Route Navigation. Track 24/7 Health & Fitness Data. Lightweight Design with Aluminum Alloy. Display Resolution: 480x480, with max 1,500nit. 200+ Watch faces and 150+ sports modes.. 447mAh capacity big Battery. Sensors: BioTrackerTM 5.0 PPG Biometric sensor. Connection: Wi-Fi 2.4GHz, Bluetooth 5.0