F6 0.96 inch OLED Touch Screen Display Bluetooth 4.0 Smart Watch, IP68 Waterproof, Support Pedometer / Heart Rate Monitor / Drinking Reminder / Bluetooth Camera, Compatible with Android and iOS Phones(Silver)
Round Touch Screen Bluetooth 4.0 Smart Watch Heart Rate for All iPhone+Android! | eBay
Amazon.com: Niaviben Smart Watch Fitness and Health Tracker Waterproof Smart Bracelet BT 4.0 Life Waterproof Compatible with Android/iOS Black : Electronics
Round Screen bluetooth 4.0 IP68 Waterproof Smart Watch One-Year Standby F3 - China Smart Watch and Smart Watch Phone price | Made-in-China.com