What is the Bluetooth operating range? October 21, 2015 21:03 Updated Follow Around 5 meters Related articles What are the S/N and D/N numbers? Where can I find them? ZeWatch² How do I pair my ZeFit2 Pulse before using it for the first time? ZeFit2 Pulse is not detected by the mobile application? All counters are stuck to 0, what can I do?