Y22 Fitness Tracker Health Monitor for Heart Rate, Sports 1.7inch Touchscreen Bluetooth Smart Watch for Android iPhones

Product description1.7-inch high-definition large screen, resolution 240 * 280, battery capacity 235mAh, standby for 7 days. The total length of wrist strap is 255mm, and the adjustable length is 155-235mm. Functions: Bluetooth call, heart rate detection, sleep detection, motion data recording, music control, custom dial, steps, message push, photo control, weather, waterproof, 28 sports modes.