Product Review

Notes: Requires iOS 7.1 & later or Android 4.4 & later, BT4.0 & later Smartphone only, NOT compatible with PC, iPad or tablets. IP67 water resistant, sweat-proof, rain-proof, but do NOT wear it when showering or swimming. Sleep Tracking: Automatically tracks your sleep duration and consistency with comprehensive analysis of sleep quality data. 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. 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.) 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

Letsfit Fitness Tracker Green Features

• Heart Rate Monitoring: Monitors your heart rate all day with graph in the app, allowing you to better understand your rest heart rate and heart rate while working out
• Quantification of Movements: Records your steps, calories burned, miles walked, active minutes and more
• Sleep Tracking: Tracks your deep sleep, light sleep, and wake sleep so that you can have a comprehensive understanding of your sleep quality
• Intelligent Reminder: Vibrates to notify you of incoming calls and messages; reminds you to move after periods of inactivity and important dates, helping you stay connected
• Build-in USB Charging: Gently pull bands off the tracker host and insert the built-in USB plug into a USB port for charging; 1-2 hours’ charging allows up to 5-7 days’ use