Yescrown Mens Smart Bracelet Sports Heart Rate Watch with Bluetooth Pedometer Calories Counter Sleep Tracker Vibration Alarm SMS Call Reminder Product Specification Base size: 47*23*11mm Strap length: 215mm Material: PC host + TPU wristband + Brass buckle Display: OLED Touch Screen (64*48) Waterproof level: IP65 Bluetooth: BLE 4.0 Storage capacity: 8M Power: 5V, 500MA-10000MA Charging time: 1.5 hours Heart rate sensor: PPG (Photo electric volume pulse wave tracing) Function: 1. Heart rate Monitoring: long press to open heart rate measurement function, short press twice quickly to lock the screen, the heart rate icon will get animated. It will take 8 seconds to get a real time heart rate, keep arm still before any movement to get accurate measurement result. Keep screen On will be convenient to check heart rate fro a long time. 2. Pedometer Tracker, Calories Counter, Sleep monitoring. 3. Vibrate Reminder: Anti-lost, Message and call reminder. 4. Customized Alarm: Set alarms to remind you the daily activity schedules.
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