Description: 5.0 chip: The transmission distance can reach 10m, with more efficient transmission efficiency and more stable signal, ensuring low distortion rate and low delay of the sound quality of the headset. Surround sound. Waterproof and sweatproof: Coating process, headphones are sweatproof and rainproof, allowing you to exercise freely. Lightweight, comfortable to wear, no pressure. Long-lasting battery life: 140AM battery capacity, 8 hours of uninterrupted battery life, 10 days of long standby. Bending without deformation: The whole body is made of high force, 10,000 repeated tests, flexible, 360 degrees of arbitrary bending and stretching without deformation. Wide range of application: The best choice for outdoor sports enthusiasts such as running, hiking, cycling, etc. It is also suitable for people who wear headphones all day and need to protect their hearing. Specification: Model: HR-R02 version: 5.0 Communication distance: 10 meters (under barrier-free environment) Standby time: 360 hours Music time: 8 hours Applicable products: Smart matching mobile phone, tablet computer (Universal for and for Android ) Size Chart: 150x130x50mm/5.91x5.12x1.97inch Package Includes: 1x Headphones 1x Data Line 1x Manual