Viiiiva heart rate monitor v100 is a high-performance activity tracker with a huge variability and sensitivity than most fitness trackers out there. The device comes with a chest strap and multiple sports mode that includes cycling, climbing, walking, etc. Bluetooth with ANT+ technology ensure seamless synchronization of data to external device or apps.
Pros
Bluetooth and ANT+ connectivity
waterproof
Long battery life
Cons
Compatible with only the company’s app
The battery tends to drain faster