... gateway. SHW802 is a multi-functional smart outdoor sports watch. It has watch’s features, such as calendar, clock, timer, alarm clock ... time is faster. Built-in ANT+, to support low-power Bluetooth device data sharing. It can be used in the PAN ... and technical specifications:A high-end sports watch design, waterproof and dustproof with IP67 rating;Watch calendar, clock, timer, alarm clock functions ...