Amazfit GTR Smartwatch with GPS+Glonass, All-Day Heart Rate Monitor, Daily Activity Tracker Rate and Activity Tracking, 10-Day Battery Life, 12-Sport Modes, 42mm, Moonlight White
Amazon.com: kwmobile Watch Bands Compatible with Huami Amazfit GTR (42mm) - Straps Set of 2 Replacement Silicone Band - Black : Cell Phones & Accessories