Amazon.com: HUAWEI Band 4 Pro - Smart Band Fitness Tracker with 0.95 Inch AMOLED Touchscreen, 24/7 Heart Rate Monitor, Indoor Outdoor Pro Tracking, Sleep Monitor, Built-in GPS, 5ATM Waterproof - Graphite Black
HUAWEI Band 4, Amber Sunrise, 0.96" TFT color screen resolution: 160 x 80 dpi, 9 Day Battery Life, 5 ATM, GPS (Canada Warranty) - Newegg.com
Huawei Band 4: Is it Good Enough to Compete with Mi Band 4? - YouTube
Amazon.com: HUAWEI Band 4 Pro - Smart Band Fitness Tracker with 0.95 Inch AMOLED Touchscreen, 24/7 Heart Rate Monitor, Indoor Outdoor Pro Tracking, Sleep Monitor, Built-in GPS, 5ATM Waterproof - Graphite Black