Letsfit Fitness Tracker with Heart Rate Monitor, Slim Activity Tracker Watch, Pedometer Watch, Sleep Monitor, Step Counter, Calorie Counter, Waterproof Smart Band for Kids Women and Men

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Amazon Price: $22.99 (as of 14/03/2020 3:02 pm – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

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

Product Details

  • Product Dimensions: 9.5 x 0.5 x 0.4 inches ; 0.64 ounces
  • Shipping Weight: 2.4 ounces
  • ASIN: B07FS6Q1KH
  • Batteries: 1 Lithium Polymer batteries required. (included)
  • Customer Reviews: 3.8 out of 5 stars1,628 customer ratings