Fungsi: +Display : 0.42-inch OLED display +Heart rate monitor : Yes, optical heart rate sensor +Water resistance +GPS : No +Pedometer +Calories +Distance +Sleep quality measurement +Call reminder, notificarion, ALarm clock +SMS reminder notification Minimum Requirment & Spec: + Bluetooth Bluetooth 4.0 compatible (Androids and IOS) +Strap TPU Elastomer Overall length: 235mmAdjustable length: 155-210mm +Battery capacity: 70MAH Standby time: 300 hours +Input voltage: 5V +Touch to touch the button +Sensor Low power consumption Accelerated sensor +Packing carton data cable manual warranty card KELENGKAPAN: * 1x Unit Mesin M2 Heart OLED * 1x Strap Hitam * 1x Charger * 1x Manual Guide