Uniway E10 Bluetooth Headphone Echo/Noise Cancelling Earbud With Complimentary Wired Earphone,Multipoint Connection Wireless Headphone Headset Support Voice Broadcast Incoming Call Number-Red Ultra-lightweight comfortable design:This earphone is very convenient for handsfree calling, music streaming.Invisible nano-coating is specially designed to protect the headphone against dirty and scratch. High-end bluetooth technology: ISSC2008 V4.1 with EDR tech can effectively ensure high-fidelity stereo music and clear speech with 10 meters working distance, acoustically engineered to produce exceptional frequency response for more enhanced listening experience than other earbuds. Noise cancellation with well-fixed loops Built with high-performance speaker for extended frequency range with lower distortion and noise isolating,the little plastic loops are designed to help keep the earbuds fixed in the ears. Also make it perfect to keep moving during daily training sessions or other high-intensity sports. Universal compatibility and voice broadcast: This wireless earphone can work seamlessly with your mobiles, there's nothing to worry about missing calls with the voice broadcast incoming call number. Super long battery life: Powerful rechargeable battery can provide hours of talking/playing time,indicating LED light will on when you are matching the digital equipment or charging the headphone.