Yenona Bluetooth Earbuds For Running, Music, Calls & Travel | Sweatproof Headphones With Built-In Mic | Crystal Clear Bass, HD Sound, Comfy Fit & Detachable Hooks | For iPhone, Samsung, LG, HTC & More Powerful deep bass makes you more energetic when you are doing sports. Magnetic design lets you hang the headphone like a necklace anytime you do not listen to music. Ergonomic earcups design offers you extremely long wearing comfort. CSR bluetooth 4.1 + EDR technology provides better high definition talking quality and more stable signal; Noise Cancellation CVC 6.0 reduces outside noises and enables clearer sound from microphone. Detachable Hooks enable you to switch between sports mode and daily life mode.