Chinese website SOGI.com.tw has posted images of what is purportedly a next-generation Xiaomi Mi Band, reportedly to be called the Mi Band 1s. The only difference we can notice by observing the externals is that it houses a heart rate sensor.
The minor difference would make sense as most Xiaomi hardware is priced incredibly competitively, and anything more than the addition of a heart rate sensor may raise the price more than they'd like. The current Mi Band is available ranging between $15-20 on Mi.com and AliExpress. My only concern is how the sensor will impact battery life, but we'll have to wait and see.
Have you tried the Mi Band, and if so, do you like it? We personally haven't tried it, but at such a low price it's pretty hard to beat. Unless of course you already have a smartwatch or other fitness band with a heart rate sensor.
WordPress.com