Xiaomi Smart Band 7 Pro AMOLED Wristband activity tracker 4.17 cm (1.64") Black

<br />Xiaomi Smart Band 7 Pro. Display type: AMOLED, Display diagonal: 4.17 cm (1.64"), Display resolution: 280 x 456 pixels. Device type: Wristband activity tracker, Form factor: Rectangle, Product colour: Black. Heart rate sensor type: Optical. Battery life: 12 day(s), Battery technology: Lithium Polymer (LiPo), Battery capacity: 235 mAh. Weight: 20.5 g, Width: 28.8 mm, Depth: 44.7 mm