TechCode Bluetooth Earbud Wireless, Mini Twins Invisible Wireless Bluetooth Stereo Headset with Charging Case In-Ear Hands-free Earphones Noise Cancelling with Mic for Running, Cycling, Gym, Travel

Wireless Dual Ear Stereo Design, Left and Right Ear Channel Separation; You can use K2 Left and Right Ear Headset solely (Single Track Mode), and K2 also can be used in pairs (Stereo Mode). K2 bluetooth headphones wireless are designed to comfortably fit in your ear (in-ear design). Light and comfortable to wear for long hours. The wireless headphones applied with V4.1 bluetooth version+EDR for high quality stereo sound effect, with a wireless audio range of 33ft (10m), enjoy the freedom to move and the convenience of uncompromising sound quality. Adopt Built-in CVC6.0 Noise Canceling Technology and high-sensitivity microphone to reduces ambient noises and grasp the detail of voice, enabling clearer sound from microphone. You can get high quality hands-free phone conversation even on the street or inside a shopping mall. With a storage box was really nice to store and carry around. No need for a separate cable and able to charge the Bluetooth earset. And comes with 450mAh Emergency Power Bank Box, Offering Emergency Power Supply to the Bluetooth Headphone, when in urgent need.