Amazfit BIP Lite 1S is now up for pre-order in China for 369 yuan ($52) - Gizmochina
Amazfit Smartwatch Bip Series Gps Feather-light Body Bluetooth Heart Rate Measurement Sports Watch Used Exhibition 95 New No Box - Smart Watches - AliExpress
Amazon.com: Amazfit Bip S Lite Smart Watch Fitness Tracker for Men, 30 Days Battery Life, 1.28”Always-on Display, 14 Sports Modes, Heart Rate & Sleep Monitor, 5 ATM Water-resistant, for Android iPhone(Blue) :