Compatibility: Smart phones with iOS 7. 1 & later or Android 4. 4 & later, Bluetooth 4. 0 & later, not for PC or tablets. Call, SMS & SNS Reminder: Receive call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications on display. Alarms: Set alarms to wake you up or remind yourself of important dates. Waterproof Rate: IP67 water resistant, sweat-proof, rain-proof, but do not wear it when you are showering or swimming. Built-in USB Plug: Easy to charge with any USB block and computer; no charging cable and dock needed. One full charge gives you up to 7 days of battery life. SPECIFICATIONS Model: ID115U HR BT Connection Range: 10 meters (32. 8 ft ) Suit for Wrist Size: 5. 4 inch - 7. 6 inch / 137 - 193 mm MCU: Nordic nRF51822QFAC Heart Rate Sensor: Silicon labsSill42 Battery Capacity and Battery Type: 45mAh Polymer Rechargeable Li Battery Charging Time: 1-2 hours Working Time: about 7 days Product Weight: 0. 63oz/18g Material: host: PC; bands: TPE Working Voltage: 3. 7V Screen Size: 0. 86" OLED screen
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