Letsfit Professional Sleep Monitor Fitness Tracker

Fitness Tracker with Sleep Monitor

Classic, powerful, ID115U is here to take your fitness further.


Eligible for extended warranty
After you have purchased this product, you can go here to immediately activate your extended warranty and enjoy an extra 12 months peace of mind.
Fitness Watch with Sleep Monitor


  • Model: ID115 U
  • CPU: Nordic
  • Sensor: Kionix
  • HR Sensor: Silicon labs Si1142
  • Battery Type: Polymer Rechargeable Li Battery
  • Battery Capacity: 45mAh
  • Host Weight: 18g
  • Working Temperature: -10℃ to 45℃
  • Dustproof and Waterproof level: IP67
  • Working time: approx. 7 days
  • ** Product specifications and features may subject to change including product upgrading and design optimization.
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