Honor announced the Band 5i a couple of days ago, and now its parent company Huawei also unveiled a fitness tracker, dubbed Band 4, which is essentially a re-branded Band 5i with a pill-shaped button. The Huawei Band 4 sports a 0.96" 2.5D TFT color screen having a resolution of 160x80 pixels. It shows information like time and date, fitness data, and app notifications. The Band 4 comes with heart rate and sleep monitoring, and it can track different activities like walking, running and cycling. The fitness tracker is water-resistant up to 50 meters and can sync with devices...