Specifications: Applicable Model: Support IOS, Android 4.3. Bluetooth: V4.0. OTA upgrading: easy error repair and function expanding. Battery: 40 mAh Polymer battery. Work time: >192 hours. Waterproofing grade: IP65 Water...
Feature: - Ultrasonic principle: The wristband is made of lightweight skin-friendly and soft TPU material. The strap is adjustable and lightweight. It is comfortable to wear. The bracelet can imitate...