The Xiaomi Mi Smart Band 8 is priced at RMB 239 ($34) for the standard version and RMB 279 ($40) for the NFC variant, while the Redmi Band 2 is priced at RMB 159 (~$22). While the Xiaomi Mi Smart Band 8 is slightly more expensive than the Redmi Band 2, the additional features and the longer battery life might make it worth the extra cost.
Xiaomi has only added marginal improvements here, namely with a slightly larger display (1.1" vs 0.95") which gets brighter at up to 450 nits. The Mi Band 4 performed decently under bright
Xiaomi Mi Band 2 Features & Specification. The Mi Band 2 is not just a fitness band or tracker, and it is your own personal fitness trainer. On-the-go fitness instructor that is always available for you. The Mi Band comes with built-in 0.42-inch OLED touch screen, with an anti-touch scratch resistance glass which provides extra protection.
The Xiaomi Mi Band 2 never managed to top our best cheap fitness tracker list, despite its low price, as it lacks some core features that other budget trackers offer. like an accurate heart rate
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mi band 2 features