Unisex sport smart wrist Heart rate measurement sleep monitor multi-functions android smart watch, multi functions colorful new model smart wrist unisex super long endurance smart watch. Thermometer, sleep tracker, speed measurement, fitness tracker, passometer, call reminder, answer call, push message, message reminder, heart rate tracker, interactive music, 24 hour instruction, blood oxygen monitor Feature: touch screen, build in flash, app control, ip68 waterproof, femininity, SDK available operation system: android, ios camera: no camera design: flip movement type: electronic band material: biomimetic silica gel case material: alloy charging method: