Uniway E17 Bluetooth headphone High Fidelity Driver Wireless Headphone Earphone In-ear Unilateral Headphone with Microphones Noise Isolation Earbud,Support calls/Nnumber broadcasting-Brown Lightweight portable design: High quality earbud with portable size for individual comfort,which is durable enough to withstand deformity and discoloration even with constant use.Your plane rides,commutes and workouts will be a private and enjoyable experience. Advanced audio driver: This bluetooth headphone is equipped with high fidelity drivers to deliver strikingly realistic sound and cover a wide frequency range with dynamic detail,which will provides durability that keeps up with your active lifestyle. Flexible tangle free wireless headphone with universal microphone: High frequency armature microdrivers of this earphone is to enhance your listening experience with incredible detail and dynamics and produce powerful sounds which only found in high-end earphones. Driver casings are designed and made with solid sound-insulating material, reducing external noise while minimizing sound leakage. Easy switch between musics and calls:Superior call center quality headset supports intelligent incoming call number broadcasting,there's hands free option for answering the phone by a little button with multiple functions controls phone calls.Anti-slip molds can be a perfect match for your ear and constructed with ergonomic ultra-soft silicone, which is nice nice to have it during driving or workout. Super long battery life: This earbud comes with powerful rechargeable battery to provide hours of talking/playing time,indicating LED light will on when you are matching the digital equipment or charging the headphone.