USED Huawei Watch Band-172 Technical Specifications Screen: Large 1.6-inch AMOLED color screen with excellent resolution and high clarity even under sunlight. Design and Weight: Very lightweight aluminum body (about 18.5 grams without the strap), making it comfortable for sleeping and sports. Battery: Lasts up to 13 days of normal use on a single charge, and supports fast charging (up to 65% in about 30 minutes). Water and Dust Resistance: 5ATM and IP68 standard (water resistant up to 50 meters for 10 minutes, and resistant to dust and sweat). 2. Key Features Fall Detection Feature: If you experience a sudden fall, the watch allows you to contact emergency services or send an SOS message to your designated contacts with your location. Advanced Sleep Tracking: Not only measures sleep time, but analyzes sleep stages (deep, light, REM) and provides you with "Sleep Training" to improve its quality. Sports Activities: Supports tracking over 100 different sports exercises and automatically recognizes some exercises like walking and running. Health Measurements: Continuous heart rate monitoring, blood oxygen level measurement (SpO_2), and tracking of stress and tension levels. Phone Control: You can use it to remotely control the phone's camera, control music, and receive notifications and quick replies to messages with pre-set texts. Condition: Used