Chest Mount Harness Strap Portable Chest Fixed Phone Clip Holder for MB-03 Feature: 1. Hands-Free Navigation: The phone navigation support bracket strap allows for hands-free navigation, and it allows the navigation panel to be used separately without the need for a sports vest (the navigation panel needs to be purchased separately). 2. Compatible with MB-03: This chest mount harness strap is specifically designed to be compatible with the MB-03 navigation panel (sold separately). 3. Easy-to-Use Release Buckle: With its easy-to-use release buckle, this support bracket strap lets you quickly and easily attach and detach your navigation panel as needed. 4. Lightweight and Portable: Its lightweight, ergonomic design makes it easy to carry and wear, making it perfect for travel and outdoor activities. 5. Comfortable and Secure Fit: The chest fixed phone clip holder fits snugly and comfortably against your body, providing a secure fit that won't slip or shift during movement. Specification: Main material: Cordura Product color: Black/Green/Sand(optional) Product size: One size fits all Applicable scenarios: team activities, film and television props, outdoor games Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-2cm measuring deviation due to manual measurement. Thank you! Package Includes: 1pcs*Carrying Strap