HUAWEI Band 4 Smart Band, Fitness Activities Tracker with 0.96" Color Screen, 24/7 Continuous Heart Rate Monitor, Sleep Tracking, 5ATM Waterproof, up to 6 Days of Usage Time, Graphite Black : Amazon.co.uk:
HUAWEI Band 4 Pro 0.95-inch Full AMOLED Touchscreen Smart Band Watch Faces Waterproof BT Sport Fitness Tracker Multiple Exercise Mode Smart Heart Rate Monitor Bracelet Built-in GPS Wearables with Silicone Rubber Strap
Huawei Band 4 Smart Watch Fitness Tracker - Sakura Pink - FOR PARTS/SPARES | eBay