Bone Conduction Earphone with Mic Bluetooth-compatible Headset 300h Standby Time Stereo Bass for Running Cycling Hiking Driving Features: 1. Unique Design: Excellent ear clip design of bone conduction earphone reduces pressure on the ear canal, achieving optimal fit and comfort. 2. Application: The mini comfortable design earplugs firmly fit all shapes of ears, making them 100% safe and stable for running, cycling, training, jogging, hiking, gym workouts, and more. 3. Stereo Bass: Bluetooth-compatible headset has 3D immersive three-dimensional surround sound, high bass balance, strong signal, and smooth connection when talking and listening to music. 4. Stable: High sensitivity microphone of ear-Clip bluetooth-compatible 5.3 headphones ensures that your voice is always loud and clear during calls. 5. Automatically Connected: Remove 2 headphones from the charging box and they will automatically connect to each other. Then simply enter the phone's Bluetooth-compatible settings and select the model to pair the earplugs in one step.