EC Technology Bluetooth 4.1 Sports Headphones with Apt-X Stereo sweat-proof for Smartphones - Black Born to Shine:iEC shining Bluetooth 4.1 headset lights up with music, movement and breathing. It features the rhythm of movements,rhythm of music and regular frequency, making you a shining star among the crowds. Unrivaled Sound System:The SHINE headset adopts A2DP technology. Its surrounding stereo-system can convert the ordinary audio-signal to seamless streaming CD quality audio through two-channel stereo and deliver deep, crystal clear HiFi sound without dropouts. Double Anti-drop Designs:Ear-clip design can completely hold your ear firmly but comfortably, and the over-ear hook design guarantees second protection. It will stick to your ears and won't fall out even when you are in strenous exercise such as running, jumping or biking! Bluetooth 4.1 Technology:SHINE earphone adopts Bluetooth 4.1 Apt-X technology, greatly reduces the time delay of transmission; power-saving technology ensures you up to 5-6 hours playing time, 4 hours talking time and 60 days standby with one single charge. Package Contents: 1x iEC SHINE Headphone; 6x Ear Caps; 1x User Manual.