Music is a super companion for humans｣ｬ which can make you relaxing and enjoy colorful life. A portable music player device is essential for music lover. We are be honored to recommend K2 Stereo Bluetooth Headphones to you. K2 Bluetooth Headphone is specially designed for music lovers and sports enthusiast｣ｬ which features Advanced True Wireless (TWS)Bluetooth 4.1 (CSR4.1) Technology｣ｬ Built-in high-grade Microphone & Speaker｣ｬ hands-free function and lightweight design. It will offer you wonderful music｣ｬ you can greatly enjoy your favorite Music. A super companion for you during daily life and travel.    <br /><br />Features:<br />[Advanced Bluetooth Technology]<br />Latest True Wireless (TWS) Bluetooth 4.1 (CSR4.1) Technology with A2DP/ AVRCP support｣ｬ ensure transmitting strong signal in high quality & high speed and offering high-fidelity stereo music. Offering Strong Wireless Signal｣ｬ with a wireless audio range of 33ft (10m)｣ｬ enjoy the freedom to move and the convenience of uncompromising sound quality. <br />[Unique Design]<br />Wireless Dual Ear Stereo Design｣ｬ Left and Right Ear Channel Separation; You can use K2's Left and Right Ear Headset solely (Single Track Mode)｣ｬ and K2 also can be used in pairs (Stereo Mode). Ultra Mini Size(its diameter is only 20mm)｣ｬ offering you Wonderful High fidelity Stereo Sound Effect. Its ergonomic design guarantees 100% Stable and Comfortable when walking｣ｬ exercising｣ｬ running｣ｬ climbing｣ｬ driving｣ｬ skating｣ｬ cycling｣ｬ fishing and other outd