The Amazfit PowerBuds Pro offers long-lasting audio and fitness features  

The Amazfit Bip series has always been the affordable fitness smartwatch in their lineup. While these watches have been pretty good for the price, Amazfit is never satisfied with what they have and… Source: Amazfit Bip U Pro is Worth the Extra $10 [Review] | G Style Magazine

The low-cost smartwatch comes packed with features such as built-in GPS, heart rate sensor, notifications and more. But Amazfit Bip’s claim to fame is the astonishing 30+ days of battery life, and that’s with an always on screen! Source: Review: Amazfit Bip, a low-cost smartwatch with an impressive feature set