Xiaomi Mi Band 4

Xiaomi's fitness bracelet, the Mi Band 3, was perhaps unparalleled on the market. The new version, the Mi Band 4, offers a larger and more colorful screen! Available for just £35, it is, as with previous editions, excellent value for money that makes the Xiaomi fitness tracker one of the most popular on the market. On the technical side, the color touch screen is AMOLED, the waterproofing is certified up to 50 meters, the battery can last up to 20 days from a single charge, and the health monitoring is very complete.