Both work fine but one has the blue light dimmed a bit during the day so it has no blue light at the end of the day, the other doesn't but they both still charge devices perfectly on.
Global Version HUAWEI Band 6 Fitness Tracker Smartwatch for Men and Women, 1.47ββ AMOLED Color Screen, All-Day SpO2 and Heart Rate Monitoring, 2-Week Battery Life, 5ATM Waterproof - Orange
190 Review
SAMSUNG Galaxy Watch Active2 (Aqua Black, R820-44mm) π± with Bluetooth, Silicon Strap, and Aluminum Bezel - International
248 Review
SAMSUNG Galaxy Buds Live: True Wireless Earbuds with Active Noise Cancelling & Wireless Charging Case - Mystic Bronze (US Version)
252 Review
π§ Sony WH-1000XM4 Noise-Canceling Wireless Headphones with Alexa & Mic, Blue
330 Review