Bluetooth Headphones, Aidbucks HM2020 V4.1 Wireless Sport Bluetooth Headset Stereo Noise Cancelling Earbuds with Microphone for iPhone iPad Samsung and Other Bluetooth Android Devices(Black) UNIQUE FLEXIBLE DESIGNOur Bluetooth Wireless Headphones magnet design ,snug and secure, interchangeable ear hook allows for a quality and comfortable fit for greater stability during exercising, including running, cycling, workout or normal activities. A simple user interface allows you to take control of your music or phone calls while you are doing exercise. The behind the neck design means you can avoid tangles that might restrict your movement. CLEAR STEREO SOUND: Hifi sound quality, DPA digital noise reduction,eliminates the noise,enable clearer sound during calls and while listening to music. LATEST BLUETOOTH 4.1 TECHNOLOGY:The Bluetooth Headphones featuring latest Bluetooth 4.1 , the signal is twice times stronger than the common one, supporting 33ft(10meters) working range,so you can answer calls when you working out! EXCELLENT BATTERY PERFORMANCE: The polymer 85mAh battery supports approximately 6 hours of music time, 6 hours of talking time with a single charge, up to 72 hours of standby time ,giving you more usage per charge. Longer listening with our Bluetooth headset, running & workouts can go for longer to the beat! MULTIPLE USES SUPPORTED:Intelligent voice remider ,support call Number voice prompt.Support FM radio and wireless take a photo function. Ideal for iPad, iPhone, MI,Android Smartphones, tablets, Bluetooth-enabled music players and any devices with Bluetooth connection.