WISETIGER Wireless 4.0 Bluetooth Headset with Echo Cancellation and Clear Voice Capture Technology for iPhone, iPad,iPod,Tables, PC Laptop,Samsung Galaxy, LG,HTC and Other Cell Phones(Black) Clear and Stable SoundThis version WISETIGER Bluetooth earpiece contains a newer Clear Voice Capture (CVC 6.0) CSR's own echo cancellation and Noise-cancelling microphone technology for enhancing the audio quality of wireless products. Reduces background noise, can ward off the peripheral noise and letting you enjoy your media free of distractions. Universal device compatibility: Compatible with most Bluetooth-enabled phones, and reduce external sound. Like Apple iPhone 6 Plus 6 5S 5C 5 4S, iPad Air Mini , Samsung Galaxy S5 S4 S3 S2, Note 2 3 4, Nexus 5, LG Optimus G2 G3, HTC One M8, Kindle Fire HD and more Android, Windows smartphones. Comfortable Wearing & Sweet Proof for Sports: Equipped to be fully exercise-proof with signal enhanced technology and comfortably fits either ear. Nano-coating Technology effectively prevent sweat from interfering operation of headset. Simple to Use: Super easy and fast paring with your smartphone or other Bluetooth device; Easy controlling all functions of your music and calls from your phone via our user interface on the headphones themselves. 180 Degree Flip-boom arm for left or right ear , easy to wear, easy to use. Super Long Battery Life: Power switch lets you extend battery life, Deep Sleep power-saving mode when away from your phone. Standby time up to 80hours, talk time up to 5 hours. Charge time only about 2hours. Voice alerts tell you talk time, volume, connection, and more. Bluetooth 4.0 range up to 33 feet so you can roam around office or home while on the phone.